US20040088002A1 - Deployment and recovery control systems for embolic protection devices - Google Patents
Deployment and recovery control systems for embolic protection devices Download PDFInfo
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- US20040088002A1 US20040088002A1 US10/662,697 US66269703A US2004088002A1 US 20040088002 A1 US20040088002 A1 US 20040088002A1 US 66269703 A US66269703 A US 66269703A US 2004088002 A1 US2004088002 A1 US 2004088002A1
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- guide wire
- sheath
- inner catheter
- recovery
- control handle
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/01—Filters implantable into blood vessels
- A61F2/013—Distal protection devices, i.e. devices placed distally in combination with another endovascular procedure, e.g. angioplasty or stenting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/9517—Instruments specially adapted for placement or removal of stents or stent-grafts handle assemblies therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/01—Filters implantable into blood vessels
- A61F2002/018—Filters implantable into blood vessels made from tubes or sheets of material, e.g. by etching or laser-cutting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0004—Rounded shapes, e.g. with rounded corners
- A61F2230/0006—Rounded shapes, e.g. with rounded corners circular
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0067—Three-dimensional shapes conical
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
- A61M2025/09116—Design of handles or shafts or gripping surfaces thereof for manipulating guide wires
Definitions
- the present invention relates generally to filtering devices and systems which can be used when an interventional procedure is being performed in a stenosed or occluded region of a body vessel to capture embolic material that may be created and released into the vessel during the procedure.
- the present invention is more particularly directed to deployment and recovery control systems which can be used in conjunction with such embolic filtering devices.
- the present invention is particularly useful when an interventional procedure, such as balloon angioplasty, stenting procedures, laser angioplasty or atherectomy, is being performed in a critical body vessel, such as the carotid arteries, where the release of embolic debris into the bloodstream can occlude the flow of oxygenated blood to the brain, resulting in grave consequences to the patient.
- the recovery and deployment systems of the present invention are particularly useful in carotid procedures, the inventions can be used in conjunction with any vascular interventional procedure in which an embolic risk is present.
- the balloon is then deflated to a small profile so that the dilatation catheter can be withdrawn from the patient's vasculature and the blood flow resumed through the dilated artery.
- the above-described procedure is typical, it is not the only method used in angioplasty.
- Atherectomy is yet another method of treating a stenosed blood vessel in which cutting blades are rotated to shave the deposited plaque from the arterial wall.
- a vacuum catheter is usually used to capture the shaved plaque or thrombus from the blood stream during this procedure.
- abrupt reclosure may occur or restenosis of the artery may develop over time, which may require another angioplasty procedure, a surgical bypass operation, or some other method of repairing or strengthening the area.
- a physician can implant an intravascular prosthesis for maintaining vascular patency, commonly known as a stent, inside the artery across the lesion.
- the stent can be crimped tightly onto the balloon portion of the catheter and transported in its delivery diameter through the patient's vasculature. At the deployment site, the stent is expanded to a larger diameter, often by inflating the balloon portion of the catheter.
- embolic filters are usually delivered in a collapsed position through the patient's vasculature and then expanded to trap the embolic debris.
- Some of these embolic filters are self expanding and utilize a restraining sheath which maintains the expandable filter in a collapsed position until it is ready to be expanded within the patient's vasculature. The physician can retract the proximal end of the restraining sheath to expose the expandable filter, causing the filter to expand at the desired location. Once the procedure is completed, the filter can be collapsed, and the filter (with the trapped embolic debris) can then be removed from the vessel. While a filter can be effective in capturing embolic material, the filter still needs to be collapsed and removed from the vessel.
- the recovery apparatus should be relatively flexible to avoid straightening of the body vessel. Recovery devices which are too stiff can cause trauma to the vessel walls as the filter is being collapsed and removed from the vasculature.
- Some prior art expandable filters vessel are attached to the distal end of a guide wire or guide wire-like tubing that allows the filtering device to be placed in the patient's vasculature as the guide wire is steered by the physician. Once the guide wire is in proper position in the vasculature, the embolic filter can be deployed to capture embolic debris.
- Some embolic filter devices which utilize a guide wire for positioning also utilize the restraining sheath to maintain the expandable filter in a collapsed position. Once the proximal end of the restraining sheath is retracted by the physician, the expandable filter will move into its fully expanded position within the patient's vasculature.
- the restraining sheath can then be removed from the guide wire allowing the guide wire to be used by the physician to deliver interventional devices, such as a balloon angioplasty dilatation catheter or a stent delivery catheter, into the area of treatment.
- interventional devices such as a balloon angioplasty dilatation catheter or a stent delivery catheter
- a recovery sheath can be delivered over the guide wire using over-the-wire techniques to collapse the expanded filter for removal from the patient's vasculature.
- the recovery device i.e., the recovery sheath, should be relatively flexible to track over the guide wire and to avoid straightening the body vessel once it is in place.
- the guide wire be rotatable so that the physician can steer it downstream of the area of treatment using techniques well known in the art.
- the guide wire is usually “torqued” by the physician to point or steer the distal end of the guide wire into the desired body vessel.
- the restraining sheath it is difficult to properly turn the composite device to deliver the filter through the tortuous anatomy of the patient.
- the restraining sheath remain positioned over the collapsed filter, otherwise the filter could be deployed prematurely in an undesired area of the patient's vasculature.
- the present invention provides deployment and recovery control systems for use with embolic filtering devices and systems for capturing embolic debris created during the performance of a therapeutic interventional procedure, such as a balloon angioplasty or stenting procedure, in a body vessel.
- a therapeutic interventional procedure such as a balloon angioplasty or stenting procedure
- the systems of the present invention are particularly useful when an interventional procedure is being performed in critical arteries, such as the carotid arteries, in which vital downstream blood vessels can easily become blocked with embolic debris, including the main blood vessels leading to the brain.
- the present invention provides the physician with a deployment control system which can be used with an embolic protection device that generally includes a guide wire having a distal end, an expandable filter attached to the guide wire near its distal end, and a restraining sheath that maintains the expandable filter in a collapsed position until it is ready to be deployed within the patient's vasculature.
- the recovery control system of the present invention can be used to collapse and retrieve the expanded filter once the interventional procedure has been completed.
- the present invention provides the physician with control mechanisms that enhance the ease of deploying and recovering the embolic protection device while providing novel features, described below which are beneficial during delivery and recovery of the embolic protection device.
- the deployment control system of the present invention provides a number of benefits to the physician which includes better handling of the guide wire/embolic protection device from the proximal end where the physician manipulates the guide wire for steering purposes.
- the physician is better able to torque the guide wire of the embolic protection device to steer the coil tip of the guide wire into the desired body vessel during delivery.
- the deployment control system of the present invention also helps to prevent any premature deployment of the expandable filter which may occur by preventing the restraining sheath from being accidentally retracted during the delivery process.
- the present invention provides a mechanism for preventing the guide wire from buckling as the restraining sheath is being retracted to deploy the expandable filter.
- the simplicity of the deployment control system of the present invention provides advantageous benefits to the physician and provides a virtual failsafe system for safely delivering and deploying the embolic protection device with the patient's vasculature.
- the recovery control system of the present invention utilizes an inner catheter which is capable of being introduced over the guide wire, along with a recovery sheath which extends co-axially over the inner catheter.
- the inner catheter is capable of being loaded inside a lumen of the recovery sheath.
- a distal portion of the inner catheter extends beyond the distal end of the recovery sheath allowing the inner catheter to initially approach the expanded filter which has been deployed within the patient's vasculature.
- the recovery control mechanism can be locked onto the guide wire and held stable as the recovery sheath is advanced distally over the expanded filter to collapse it for removal from the patient.
- the proximal ends of the inner catheter and outer restraining sheath include handle portions having snap mechanisms which holds the two components together as the components are being moved into the patient's vasculature for recovery purposes.
- the proximal handles facilitate the ease in which the physician can collapse and retrieve the expandable filter from the patient's vasculature.
- the method of using the deployment control system to deliver and deploy an embolic protection device into a patient's vasculature includes loading a deployment control system onto an embolic protection device which includes a guide wire, an expandable filter assembly located near the distal end of the guide wire, and a restraining sheath for maintaining the expandable filter in a collapsed position.
- the deployment control system includes a torque control device attached to the guide wire near its proximal end and a spacer member disposed between the torque control device and the proximal end of the restraining sheath.
- the method includes introducing the composite deployment control system/embolic protection device into the patient's vasculature and advancing the distal portion of the embolic protection device into the desired location in the body vessel, usually downstream of an area to be treated.
- the spacer member can then be removed from the guide wire allowing the restraining sheath to be retracted proximally towards the torque control device in order to deploy the expandable filter assembly.
- a wire introducer can be placed between the torque control device and the proximal end of the restraining sheath to provide a stiffening structure for the guide wire to prevent buckling or bending of the guide wire as the proximal end of the restraining sheath is being retracted back towards the torque control device.
- the deployment control system and recovery sheath can then be removed from the guide wire to allow interventional devices to be advanced over the guide wire into the area of treatment. Thereafter, any embolic debris created during the interventional procedure should be captured in the expandable filter which has been deployed downstream from the area of treatment.
- the method of using the recovery control system to collapse and retrieve an embolic protection device includes loading the inner catheter inside a recovery sheath, wherein the recovery sheath is initially placed over the inner catheter such that a distal portion of the inner catheter extends beyond the distal end of the recovery sheath.
- the inner catheter recovery sheath can then be introduced over the guide wire which includes an expanded filter located near its distal end.
- the distal end of the inner catheter is advanced to a position adjacent to the expanded filter located within the patient's vasculature.
- the inner catheter can then be hooked onto the guide wire.
- the recovery sheath can then be advanced over the distal portion of the inner catheter and over the expanded filter in order to collapse the expanded filter.
- the recovery sheath, inner sheath, guide wire and partially or completely collapsed filter can then be removed from the patient's vasculature.
- FIG. 1 is an elevational view, partially in cross section, of a deployment control system embodying features of the present invention as it is initially coupled to an embolic protection device which is being delivered for deployment past an area of treatment in a body vessel.
- FIG. 2 is an elevational view, partially in cross section, similar to that shown in FIG. 1, wherein the deployment control system is deployed and the embolic protection device is shown in its expanded position within the body vessel.
- FIG. 3 is an elevational view, partially in cross section, similar to that shown in FIG. 2, wherein the deployment control system has been removed from the body vessel and a recovery control system embodying features of the present invention is being deployed to collapse and retrieve the expanded embolic protection device.
- FIG. 4 is an elevational view, partially in cross section, similar to that shown in FIG. 3, wherein the recovery sheath of the recovery control system is being deployed to collapse the expanded embolic protection device.
- FIG. 5 is an elevational view, partially in cross section, similar to that shown in FIG. 4, wherein the recovery control system has retracted the expanded embolic protection device for removal from the body vessel.
- FIG. 6 is an elevational view of the various components making up the deployment control system depicted in FIGS. 1 and 2.
- FIG. 7 is an elevational view, partially in cross-section and fragmented, of the proximal handle components of the recovery control system shown in FIG. 3.
- FIG. 8 is an elevational view, partially in cross-section and fragmented, showing the components of the recovery control system shown in FIG. 4.
- FIG. 9 is a perspective view of the spacer member shown in FIGS. 1 and 6 which is utilized in conjunction with the deployment control system of the present invention.
- FIG. 10 is a perspective view of another embodiment of a spacer member which can be utilized in conjunction with the deployment control system of the present invention.
- FIG. 11 is a perspective view of another embodiment of a locking mechanism which can be utilized in conjunction with the components of the deployment control system or recovery control system of the present invention.
- FIGS. 1 and 2 illustrate a deployment control system 10 incorporating features of the present invention.
- This deployment control system 10 is adapted for use with an embolic protection device 12 designed to capture embolic debris which may be created and released into a body vessel during an interventional procedure.
- the embolic protection device 12 includes an expandable filter assembly 14 having a self-expanding strut assembly 15 and a filter element 16 .
- the expandable filter assembly is rotatably mounted on the distal end of an elongated tubular shaft, such as a guide wire 18 .
- a restraining sheath 20 extends coaxially along the guide wire 18 in order to maintain the expandable filter 14 in its collapsed position until it is ready to be deployed within the patient's vasculature.
- the expandable filter 14 is deployed by the physician by simply retracting the restraining sheath 20 proximally to expose the expandable filter 14 .
- the self-expanding strut assembly 15 thus becomes uncovered and immediately begins to expand within the body vessel (see FIG. 2). It should be appreciated that the embolic protection device 12 depicted herein is just one example of numerous different embolic protection devices which can be utilized in accordance with the present invention.
- the deployment control system and recovery control system of the present invention can be utilized in accordance with any embolic protection device which utilizes a self-expanding filter that can be deployed by, for example, retracting a sheath, sheath-like sleeve, or other mechanism which maintains the self-expanding filter in a collapsed position.
- An obturator 22 affixed to the distal end of the filter assembly 14 can be implemented to prevent possible “snowplowing” of the embolic protection device during delivery through the vasculature.
- the obturator can be made from a soft polymeric material, such as Pebax 40, and has a smooth surface to help the embolic protection device travel through the vasculature and cross lesions while preventing the distal end of the delivery catheter (not shown) from “digging” or “snowplowing” into the wall of the body vessel. Additional details regarding the particular structure and shape of the various elements making up the filter assembly 14 are provided below.
- the embolic protection device 12 is shown as it is being delivered within an artery 24 or other body vessel of the patient.
- This portion of the artery 24 has an area of treatment 26 in which atherosclerotic plaque 28 has built up against the inside wall 30 of the artery 24 .
- the filter assembly 14 is to be placed distal to and downstream from the area of treatment 26 as is shown in FIGS. 1 and 2.
- the therapeutic interventional procedure may comprise the implantation of a stent to increase the diameter of an occluded artery and increase the flow of blood therethrough. It should be appreciated that the embodiments of the system and method are illustrated and described herein by way of example only and not by way of limitation.
- the present invention is described in detail as applied to an artery of the patient, those skilled in the art will appreciate that it can also be used in body vessels, such as the coronary arteries, carotid arteries, renal arteries, saphenous veins and other peripheral arteries. Additionally, the present invention can be utilized when a physician performs any one of a number of interventional procedures, such as balloon angioplasty, laser angioplasty or atherectomy, utilizing an embolic protection device.
- the strut assembly 15 may include self-expanding struts 31 which, upon release from the restraining sheath 20 , expand the filter element 16 into its deployed position within the artery. When the struts 31 are expanded, the filter element 16 takes on a basket shape. Embolic debris created during the interventional procedure and released into the bloodstream is captured within the deployed filter element 16 .
- a balloon angioplasty catheter can be initially introduced within the patient's vasculature in a conventional SELDINGER technique through a guiding catheter (not shown). The guide wire 18 is disposed through the area of treatment and the dilatation catheter can be advanced over the guide wire 18 within the artery 24 until the balloon portion is directly in the area of treatment 26 .
- the balloon of the dilatation catheter can be expanded, expanding the plaque 28 against the inside wall 30 of the artery 24 to expand the artery and reduce the blockage in the vessel at the position of the plaque 28 .
- a stent 32 shown in FIG. 3
- Any embolic debris which is created during the interventional procedure will be released into the bloodstream and should enter the filter assembly 14 located downstream from the area of treatment.
- the filter assembly 14 is to be collapsed and removed from the artery 24 , taking with it any embolic debris trapped within the filter element 16 .
- the recovery control system of the present invention (described below) can be utilized to collapse the filter assembly for removal from the patient's vasculature.
- the deployment control system 10 is utilized to provide controlled and accurate deployment of the filter assembly 14 of the embolic protection device 12 .
- the system 10 includes a torque control device 34 which is manipulated by the physician in order to rotate or “torque” the guide wire 18 as the embolic protection device 12 is being delivered through the patient's vasculature.
- This torque control device 34 consists of a handle portion 36 and a locking mechanism 38 utilized to lock the handle portion 36 tightly on the guide wire 38 .
- the torque control device 34 shown in FIGS. 1, 2 and 6 can be a commercially-available torque control device which is readily available.
- any one of a number of different torque controlled devices can be utilized in accordance with the present invention.
- the physician manipulates the handle portion 36 allowing the physician to rotate the distal coil spring tip 40 of the guide wire 18 to steer the guide wire 18 into the proper body vessel.
- the physician usually creates a curvature at the distal coil spring tip 40 which is controlled by the physician via the torque control device 34 .
- This wire introducer 42 has a structure much like a modified needle introducer.
- the tubular member 48 can be made from stainless steel or a polymeric material having high axial stiffness.
- a wire introducer 42 is located proximal to the end 44 (see FIG. 6) of the torque control device 34 .
- the wire introducer 42 includes a proximal end cap 46 adapted to receive the distal end 44 of the torque control device 34 .
- This wire introducer 42 includes a substantially rigid tubular member 48 (FIG. 2) which provides a stiff structure that helps prevent buckling of the guide wire as the restraining sheath 20 is retracted proximally to deploy the expandable filter assembly 14 .
- This wire introducer 42 has a structure much like a modified needle introducer.
- the tubular member 48 can be made from stainless steel or a polymeric material having high axial stiffness.
- a spacer member 50 is located between the wire introducer 42 and the embolic protection device 12 .
- This spacer member 50 is designed to be removed from the guide wire after the embolic protection device 12 has been steered into the proper position within the patient's vasculature. This spacer member 50 , once removed from the guide wire, allows the proximal end of the embolic protection device 12 to be retracted back towards the torque control device 34 a sufficient length to uncover the expandable filter assembly 14 located at the distal end of the guide wire 18 .
- the spacer member 50 includes a slit 52 or a perforated line that extends along the length thereof which allows the physician to remove the spacer member from the guide wire once the restraining sheath is to be retracted. This spacer member helps prevent the restraining sheath 20 from retracting proximally, thus preventing the expandable filter assembly 14 from prematuring expanding as the embolic protection device 12 is being delivered through the patient's vasculature.
- the proximal end of the embolic protection device 12 includes a luer fitting 54 with a rotatable hemostatic valve 56 attached at its end.
- This rotatable hemostatic valve 56 allows the guide wire 18 to be placed within an internal lumen (not shown) of the fitting 54 while preventing backflow of blood therethrough.
- the spacer member 50 includes a flared proximal end 58 and a flared distal end 60 which come in contact with adjacent components. In FIG. 1, the flared proximal end 58 is shown contacting the end cap 46 of the wire introducer 42 .
- these particular elements remain in an abutting relationship until the spacer member 50 is to be removed for deployment of the filter assembly.
- the flared distal end 60 is in turn in contact with an opening (not shown) located on the rotatable hemostatic valve 56 .
- the flared distal end 60 of this spacer member 50 helps prevent the spacer member 50 from entering the opening of the rotating hemostatic valve 56 .
- the distal end 62 of the tubular member 48 is adjacent, or in, the internal lumen (not shown) of the fitting 54 . After the spacer member 50 is removed, as described below, the fitting 54 can be retracted back towards the torque control device.
- the spacer member 64 has a substantially tubular shape and has large wall thickness which creates a large abutting shoulder that acts substantially like the flared ends in preventing the member 64 from entering the opening of the rotating hemostatic valve 56 .
- the end of this particular spacer member 64 has a sufficient wall thickness to provide a shoulder against which the distal end 62 of the wire introducer 42 can abut.
- This spacer member 64 includes a perforation line 66 , rather than a longitudinal slit, as is shown in the previous embodiment of the spacer marker member 50 .
- This perforated line 66 is utilized in a similar fashion as the slit 52 in that, once the spacer member 64 is to be removed from the deployment control system, the perforation line is simply torn by the physician to remove the spacer off of the guide wire. Thereafter, the proximal end of the embolic protection device 12 can be retracted to expand the filter assembly 14 . It should also be appreciated to those skilled in the art that other sizes and shapes of the spacer member can be utilized without departing from the spirit and scope of the present invention. Generally, the length of the spacer member corresponds approximately to the length of restraining sheath which must be retracted in order to deploy the expandable filter assembly 14 .
- the length of the spacer member can be increased to insure that the distal end of the restraining sheath 20 properly retracted from the expandable filter assembly 14 .
- the slit 52 or perforated line 66 can be cut into the spacer member in any one of a number of different sizes and shapes.
- the slit 52 on line 66 could be a circular cut which extends around the spacer member from end to end, rather than the substantially straight line cut shown in FIGS. 9 and 10. This is just one example of the many ways that the slit or line could be cut into the spacer member without departing from the spirit and scope of the invention.
- the proximal end of the embolic protection device 12 can be retracted proximally to deploy the expandable filter assembly 14 .
- the tubular member 48 of the wire introducer 42 acts as a stiffener to prevent the guide wire 18 from buckling or bending as the proximal end of the embolic protection device is being retracted. In this regard, there is less likelihood that the physician will buckle or place a kink in the guide wire during deployment of the embolic protection device. It should be appreciated that if the tubular member were not present, a portion of the guide wire would be exposed between the proximal fitting 54 and the end of the torque control device 34 .
- the physician could buckle or otherwise bend the guide wire 18 as the proximal end of the embolic protection device is being retracted proximally towards the torque control device.
- the tubular member 48 remains in the internal lumen of the fitting 54 as the fitting and restraining sheath 20 are retracted back.
- the torque control device 34 and wire introducer 42 are shown in FIGS. 1 and 6 as separate components which are joined together. However, it is also possible to manufacture these same two components as a single unit, if desired.
- the proximal end cap 46 of the wire introducer 42 can be made with a female type ball joint lock with a matching male type ball joint lock formed at the end of the torque control device 34 .
- the male to female fittings of these two components allow for a snug fit between the same components.
- the male to female fittings of the torque control device 34 and wire introducer 42 allow the two components to rotate relative to one, another although a simple locking mechanism could also be used to prevent the torque control device 34 and wire introducer 42 to rotate simultaneously when manipulated by the physician.
- a locking mechanism such as the one shown in FIG. 11 could also be implemented for locking these components together.
- the recovery control system 70 of the present invention can be utilized.
- the recovery system 70 includes an inner catheter 72 which is loaded inside a lumen 74 of a recovery sheath 76 .
- the recovery sheath 76 is advanced over the inner catheter 72 and filter assembly 14 to collapse and recover the filter assembly 14 .
- the recovery sheath 76 has a larger inner diameter than the outer diameter of inner catheter 72 .
- the recovery sheath 76 can have a working length which may be up to 10 to 15 centimeters shorter than the inner catheter 72 . This allows a distal portion 78 of the inner catheter 72 to extend beyond the distal end 80 of the recovery sheath 76 during initial delivery through the artery, as will be described below.
- the proximal ends of the recovery control system 70 include handles which allow the physician to easily manipulate the components when retrieving the embolic protection device 12 .
- the inner catheter 72 includes a control handle 82 which includes a lumen 84 (see FIG. 7) which is backloaded onto the guide wire 18 .
- the recovery sheath 76 has a similar proximal control handle 86 which extends over the proximal handle 82 of the inner catheter 72 in a coaxial arrangement.
- the control handle 86 of the recovery sheath 76 includes an internal lumen 88 (see FIGS. 7 and 8) which receives the inner catheter 72 .
- a locking mechanism such as the one shown in FIGS. 7 and 8 can be utilized.
- the simple mechanism which is utilized includes a male female lock joint which is located on the proximal handles 82 and 86 .
- the proximal control handle 82 includes a recess 90 for receiving such as an O-ring 92 which sits within the recess 92 .
- the proximal control handle 86 includes a recess 94 which is adapted to receive the portion of the O-ring 92 which extends above the surface of the proximal handle 82 .
- the O-ring 92 acts as a simple locking mechanism for maintaining the two components, namely the proximal control handles 82 and 86 , together until the physician is ready to advance the restraining sheaths 76 distally towards the filter assembly 14 .
- other locking mechanisms for example, the one shown in FIGS. 1 and 11, can be utilized without departing from the spirit and scope of the present invention.
- the inner catheter 72 is first introduced over the guide wire 18 for delivery past the treatment site 26 , where, for example, a stent 32 has been implanted. As shown in FIG. 3, the relatively flexible distal portion 78 of the inner catheter 72 tracks over the guide wire 18 distally from the recovery sheath 76 .
- the inner catheter 72 can be less stiff than the recovery sheath 76 and the distal portion 78 of the inner catheter 72 is likely to cause less straightening of the vasculature as it tracks over the guide wire 18 to the expandable filter assembly 14 .
- this smaller diameter inner catheter 72 helps to maintain the curvature of the artery by minimizing the possibility of the artery “straightening” as the larger diameter recovery sheath 76 is advanced over the distal portion 78 . While the “straightening” effect of the artery is not apparent from the drawings (since the artery 24 is shown relatively straight to begin with), it should be appreciated that this straightening effect would be less likely to occur when the filter assembly is in a curved artery due to the presence of the inner catheter 72 . Additionally, the increased flexibility of the inner catheter 72 better enables the distal portion of the inner catheter 72 to negotiate the tortuous anatomy of the vasculature and improves tracking over the guide wire 18 .
- the inner catheter 72 can be then locked into place by the physician. This is accomplished by backloading the torque control device 34 with the wire introducer 42 onto the guide wire 18 and positioning the two components in an abutting relationship with the proximal control handle 82 of the inner catheter 72 . Once the torque control device 34 and wire introducer 42 are placed adjacent to the proximal handle 82 , the physician can lock the torque control device 34 via the locking mechanism 38 to lock the components onto the wire 18 .
- the inner catheter 72 cannot move along the length of the guide wire since the distal end 46 is in an abutting relationship with the proximal fitting 98 and the proximal control handle 82 is in an abutting relationship with the torque control device 34 and wire introducer 32 .
- the recovery sheath 76 can now be advanced over the distal portion 78 of the inner catheter 72 and toward the filter assembly 14 in order to collapse and recover the expanded filter assembly 14 .
- the column strength at the distal end 80 of the recovery sheath 76 should be sufficiently strong to ensure that as the struts of the filter assembly 14 are moved back into its collapsed position and that the recovery sheath 76 does not buckle or experience an accordion effect.
- the collapse of the expandable filter assembly 14 can be accomplished by the physician by holding the proximal control handle 82 and moving the proximal end control handle 86 of the recovery sheath 76 forward to move the distal end 80 of the sheath 76 over the filter assembly 14 , as shown in FIG. 5.
- any embolic debris generated during the interventional procedure will remain trapped inside the filter element 16 .
- the recovery system 70 along with the embolic protection device 12 , can then be withdrawn from the bloodstream and removed from the vasculature.
- the proximal control handle 82 includes a raised locking pin 100 which is adapted to move through a slot 102 which is formed on the proximal control handle 86 of the recovery sheath 76 .
- the slot 102 is J-shaped in order to lock the locking pin, this locking the two control handles 82 and 86 together during use.
- a resilient member 104 placed near the distal end 106 of the control handle 82 creates a biasing force on the two components to maintain the locking pin 100 within the slot 102 during usage.
- This resilient member 104 can be in the shape of an O-ring, or any other appropriate shape. It should be appreciated that the resilient member 104 provides a biasing force on the ends of each of the control handles 82 and 86 to lock the two components in place. Thereafter, if the physician wishes to decouple the two control handles, he/she needs to compress the member 104 a short distance to allow the locking pin 100 to be removed from the end of the J-shaped slot 102 where it can then be removed from the slot 102 altogether. Thereafter, the control handle 86 of the recovery sheath 76 can be moved distally, as needed, to recover the expanded filter assembly 14 of the embolic protection device 12 .
- Similar type locking mechanisms can be used in conjunction with the other components of the deployment control system 10 .
- a similar locking mechanism can be implemented on the torque control device 34 and the wire introducer 42 in order to lock the two components as needed.
- Still other types of locking mechanisms could be utilized in accordance with the present invention in order to achieve the same desired locking feature.
- the materials which can be utilized for the restraining and recovery sheaths and inner catheter include polymeric materials which are well known in the art.
- One suitable polymeric material is cross-linked HDPE.
- the recovery and restraining sheath and inner catheter can be made from materials such as polyolefin which has sufficient strength to hold the compressed strut assembly and has relatively low frictional characteristics to minimize any friction between the filtering assembly and the sheath.
- Polyamide could be used for the inner catheter as well. Friction can be further reduced by applying a coat of silicone lubricant, such as Microglide®, to the inside surface of the recovery sheath before the recovery sheath is placed over the filter assembly.
- the wall thickness of the inner catheter is smaller than the recovery sheath to increase the flexibility as the composite recovery sheath/inner catheter is being delivered through the tortuous anatomy.
- the wall thickness of the inner catheter could be same or even greater than that of the recovery sheath.
- the inner catheter can be made from elongated tubing which is sufficiently flexible to travel over the guide wire. Other embodiments of the inner catheter can be utilized without departing from the spirit and scope of the present invention.
- the other components of the deployment control system and recovery system can be made from suitable plastic materials which are readily available in the art.
- the proximal handles of the inner catheter and recovery sheath can be made from plastic materials which are commonly used for medical products.
- the components of the deployment control system can also be made from materials which are currently being used to manufacture similar medical devices.
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Abstract
A deployment control system provides controlled deployment of an embolic protection device which may include a guide wire, an expandable filter attached to the guide wire near its distal end, and a restraining sheath that maintains the expanded filter in a collapsed position. The deployment control system includes a torque control device which allows the physician to torque the guide wire into the patient's anatomy and a mechanism for preventing the guide wire from buckling as the restraining sheath is being retracted to deploy the expandable filter. A recovery control system for recovering the embolic protection device includes an inner catheter which extends within a lumen of an outer recovery sheath in a coaxial arrangement. A distal portion of the inner catheter extends beyond another recovery sheath during advancement of the recovery system into the vasculature. The recovery sheath can be advanced over the inner catheter to collapse the expandable filter. The proximal ends of the inner catheter and recovery sheath include handle portions having snap mechanisms which hold the components together as the recovery system is being advanced into the patient's vasculature.
Description
- The present invention relates generally to filtering devices and systems which can be used when an interventional procedure is being performed in a stenosed or occluded region of a body vessel to capture embolic material that may be created and released into the vessel during the procedure. The present invention is more particularly directed to deployment and recovery control systems which can be used in conjunction with such embolic filtering devices. The present invention is particularly useful when an interventional procedure, such as balloon angioplasty, stenting procedures, laser angioplasty or atherectomy, is being performed in a critical body vessel, such as the carotid arteries, where the release of embolic debris into the bloodstream can occlude the flow of oxygenated blood to the brain, resulting in grave consequences to the patient. While the recovery and deployment systems of the present invention are particularly useful in carotid procedures, the inventions can be used in conjunction with any vascular interventional procedure in which an embolic risk is present.
- Numerous procedures have been developed for treating occluded blood vessels to allow blood to flow without obstruction. Such procedures usually involve the percutaneous introduction of the interventional device into the lumen of the artery, usually through a catheter. One widely known and medically accepted procedure is balloon angioplasty in which an inflatable balloon is introduced within the stenosed region of the blood vessel to dilate the occluded vessel. The balloon catheter is initially inserted into the patient's arterial system and is advanced and manipulated into the area of stenosis in the artery. The balloon is inflated to compress the plaque and press the vessel wall radially outward to increase the diameter of the blood vessel, resulting in increased blood flow. The balloon is then deflated to a small profile so that the dilatation catheter can be withdrawn from the patient's vasculature and the blood flow resumed through the dilated artery. As should be appreciated by those skilled in the art, while the above-described procedure is typical, it is not the only method used in angioplasty.
- Another procedure is laser angioplasty which utilizes a laser to ablate the stenosis by super heating and vaporizing the deposited plaque. Atherectomy is yet another method of treating a stenosed blood vessel in which cutting blades are rotated to shave the deposited plaque from the arterial wall. A vacuum catheter is usually used to capture the shaved plaque or thrombus from the blood stream during this procedure.
- In the procedures of the kind referenced above, abrupt reclosure may occur or restenosis of the artery may develop over time, which may require another angioplasty procedure, a surgical bypass operation, or some other method of repairing or strengthening the area. To reduce the likelihood of the occurrence of abrupt reclosure and to strengthen the area, a physician can implant an intravascular prosthesis for maintaining vascular patency, commonly known as a stent, inside the artery across the lesion. The stent can be crimped tightly onto the balloon portion of the catheter and transported in its delivery diameter through the patient's vasculature. At the deployment site, the stent is expanded to a larger diameter, often by inflating the balloon portion of the catheter.
- The above non-surgical interventional procedures, when successful, avoid the necessity of major surgical operations. However, there is one common problem which can become associated with all of these non-surgical procedures, namely, the potential release of embolic debris into the bloodstream that can occlude distal vasculature and cause significant health problems to the patient. For example, during deployment of a stent, it is possible that the metal struts of the stent can cut into the stenosis and shear off pieces of plaque which become embolic debris that can travel downstream and lodge somewhere in the patient's vascular system. Pieces of plaque material can sometimes dislodge from the stenosis during a balloon angioplasty procedure and become released into the bloodstream. Additionally, while complete vaporization of plaque is the intended goal during laser angioplasty, sometimes particles are not fully vaporized and thus enter the bloodstream. Likewise, not all of the emboli created during an atherectomy procedure may be drawn into the vacuum catheter and, as a result, enter the bloodstream as well.
- When any of the above-described procedures are performed in the carotid arteries, the release of emboli into the circulatory system can be extremely dangerous and sometimes fatal to the patient. Debris that is carried by the bloodstream to distal vessels of the brain can cause these cerebral vessels to occlude, resulting in a stroke, and in some cases, death. Therefore, although cerebral percutaneous transluminal angioplasty has been performed in the past, the number of procedures performed has been limited due to the justifiable fear of causing an embolic stroke should embolic debris enter the bloodstream and block vital downstream blood passages.
- Medical devices have been developed to attempt to deal with the problem created when debris or fragments enter the circulatory system following vessel treatment utilizing any one of the above-identified procedures. One approach which has been attempted is the cutting of any debris into minute sizes which pose little chance of becoming occluded in major vessels within the patient's vasculature. However, it is often difficult to control the size of the fragments which are formed, and the potential risk of vessel occlusion still exists, making such a procedure in the carotid arteries a high-risk proposition.
- Other techniques include the use of catheters with a vacuum source which provides temporary suction to remove embolic debris from the bloodstream. However, as mentioned above, there can be complications associated with such systems if the vacuum catheter does not remove all of the embolic material from the bloodstream. Also, a powerful suction could cause trauma to the patient's vasculature. Still other techniques which have had some limited success include the placement of a filter or trap downstream from the treatment site to capture embolic debris before it reaches the smaller blood vessels downstream. The placement of a filter in the patient's vasculature during treatment of the vascular lesion can reduce the presence of the embolic debris in the bloodstream. Such embolic filters are usually delivered in a collapsed position through the patient's vasculature and then expanded to trap the embolic debris. Some of these embolic filters are self expanding and utilize a restraining sheath which maintains the expandable filter in a collapsed position until it is ready to be expanded within the patient's vasculature. The physician can retract the proximal end of the restraining sheath to expose the expandable filter, causing the filter to expand at the desired location. Once the procedure is completed, the filter can be collapsed, and the filter (with the trapped embolic debris) can then be removed from the vessel. While a filter can be effective in capturing embolic material, the filter still needs to be collapsed and removed from the vessel. During this step, there is a possibility that trapped embolic debris can backflow through the inlet opening of the filter and enter the bloodstream as the filtering system is being collapsed and removed from the patient. Therefore, it is important that any captured embolic debris remain trapped within this filter so that particles are not released back into the body vessel. Additionally, the recovery apparatus should be relatively flexible to avoid straightening of the body vessel. Recovery devices which are too stiff can cause trauma to the vessel walls as the filter is being collapsed and removed from the vasculature.
- Some prior art expandable filters vessel are attached to the distal end of a guide wire or guide wire-like tubing that allows the filtering device to be placed in the patient's vasculature as the guide wire is steered by the physician. Once the guide wire is in proper position in the vasculature, the embolic filter can be deployed to capture embolic debris. Some embolic filter devices which utilize a guide wire for positioning also utilize the restraining sheath to maintain the expandable filter in a collapsed position. Once the proximal end of the restraining sheath is retracted by the physician, the expandable filter will move into its fully expanded position within the patient's vasculature. The restraining sheath can then be removed from the guide wire allowing the guide wire to be used by the physician to deliver interventional devices, such as a balloon angioplasty dilatation catheter or a stent delivery catheter, into the area of treatment. After the interventional procedure is completed, a recovery sheath can be delivered over the guide wire using over-the-wire techniques to collapse the expanded filter for removal from the patient's vasculature. As mentioned above, the recovery device, i.e., the recovery sheath, should be relatively flexible to track over the guide wire and to avoid straightening the body vessel once it is in place.
- When a combination of an expandable filter and guide wire is utilized, it is important that the guide wire be rotatable so that the physician can steer it downstream of the area of treatment using techniques well known in the art. In this regard, the guide wire is usually “torqued” by the physician to point or steer the distal end of the guide wire into the desired body vessel. Often, when the restraining sheath is utilized, it is difficult to properly turn the composite device to deliver the filter through the tortuous anatomy of the patient. Moreover, during delivery, it is imperative that the restraining sheath remain positioned over the collapsed filter, otherwise the filter could be deployed prematurely in an undesired area of the patient's vasculature. This occurrence can cause trauma to the walls of the patient's vasculature and would require the physician to re-sheath the expanded filter to further advance the filter into the desired area. Moreover, if the physician does not have an adequate mechanism or handle at the proximal end of the composite filter device for steering the device through the tortuous anatomy, there can be unwanted buckling of the guide wire at the proximal end. Additionally, as the restraining sheath is being retracted, the physician has to be careful not to buckle or bend the guide wire. These types of occurrences during delivery and deployment of the embolic protection device are certainly undesirable.
- What has been needed are reliable deployment and recovery control systems which can be used with embolic protection devices that minimize the above-mentioned incidents from ever occurring. These systems should be relatively easy for a physician to use and should provide failsafe systems for deploying the embolic filtering device into the desired area of the vessel and retrieving the same device without releasing any captured embolic debris into the body vessel. Moreover, such systems should be relatively easy to deploy and remove from the patient's vasculature. The inventions disclosed herein satisfy these and other needs.
- The present invention provides deployment and recovery control systems for use with embolic filtering devices and systems for capturing embolic debris created during the performance of a therapeutic interventional procedure, such as a balloon angioplasty or stenting procedure, in a body vessel. The systems of the present invention are particularly useful when an interventional procedure is being performed in critical arteries, such as the carotid arteries, in which vital downstream blood vessels can easily become blocked with embolic debris, including the main blood vessels leading to the brain. The present invention provides the physician with a deployment control system which can be used with an embolic protection device that generally includes a guide wire having a distal end, an expandable filter attached to the guide wire near its distal end, and a restraining sheath that maintains the expandable filter in a collapsed position until it is ready to be deployed within the patient's vasculature. The recovery control system of the present invention can be used to collapse and retrieve the expanded filter once the interventional procedure has been completed. The present invention provides the physician with control mechanisms that enhance the ease of deploying and recovering the embolic protection device while providing novel features, described below which are beneficial during delivery and recovery of the embolic protection device.
- The deployment control system of the present invention provides a number of benefits to the physician which includes better handling of the guide wire/embolic protection device from the proximal end where the physician manipulates the guide wire for steering purposes. In this regard, the physician is better able to torque the guide wire of the embolic protection device to steer the coil tip of the guide wire into the desired body vessel during delivery. The deployment control system of the present invention also helps to prevent any premature deployment of the expandable filter which may occur by preventing the restraining sheath from being accidentally retracted during the delivery process. Moreover, the present invention provides a mechanism for preventing the guide wire from buckling as the restraining sheath is being retracted to deploy the expandable filter. The simplicity of the deployment control system of the present invention provides advantageous benefits to the physician and provides a virtual failsafe system for safely delivering and deploying the embolic protection device with the patient's vasculature.
- The recovery control system of the present invention utilizes an inner catheter which is capable of being introduced over the guide wire, along with a recovery sheath which extends co-axially over the inner catheter. The inner catheter is capable of being loaded inside a lumen of the recovery sheath. In use, a distal portion of the inner catheter extends beyond the distal end of the recovery sheath allowing the inner catheter to initially approach the expanded filter which has been deployed within the patient's vasculature. Once the inner catheter has been placed near the expandable filter, the recovery control mechanism can be locked onto the guide wire and held stable as the recovery sheath is advanced distally over the expanded filter to collapse it for removal from the patient. In this manner, the recovery sheath is advanced over the inner catheter allowing the collapse of the expandable filter to be smoother and less likely to result in any trapped embolic debris being released back into the body vessel as the recovery sheath is advanced over the filter. The proximal ends of the inner catheter and outer restraining sheath include handle portions having snap mechanisms which holds the two components together as the components are being moved into the patient's vasculature for recovery purposes. The proximal handles facilitate the ease in which the physician can collapse and retrieve the expandable filter from the patient's vasculature.
- The method of using the deployment control system to deliver and deploy an embolic protection device into a patient's vasculature includes loading a deployment control system onto an embolic protection device which includes a guide wire, an expandable filter assembly located near the distal end of the guide wire, and a restraining sheath for maintaining the expandable filter in a collapsed position. The deployment control system includes a torque control device attached to the guide wire near its proximal end and a spacer member disposed between the torque control device and the proximal end of the restraining sheath. The method includes introducing the composite deployment control system/embolic protection device into the patient's vasculature and advancing the distal portion of the embolic protection device into the desired location in the body vessel, usually downstream of an area to be treated. The spacer member can then be removed from the guide wire allowing the restraining sheath to be retracted proximally towards the torque control device in order to deploy the expandable filter assembly. In one aspect of the present invention, a wire introducer can be placed between the torque control device and the proximal end of the restraining sheath to provide a stiffening structure for the guide wire to prevent buckling or bending of the guide wire as the proximal end of the restraining sheath is being retracted back towards the torque control device. The deployment control system and recovery sheath can then be removed from the guide wire to allow interventional devices to be advanced over the guide wire into the area of treatment. Thereafter, any embolic debris created during the interventional procedure should be captured in the expandable filter which has been deployed downstream from the area of treatment.
- The method of using the recovery control system to collapse and retrieve an embolic protection device includes loading the inner catheter inside a recovery sheath, wherein the recovery sheath is initially placed over the inner catheter such that a distal portion of the inner catheter extends beyond the distal end of the recovery sheath. The inner catheter recovery sheath can then be introduced over the guide wire which includes an expanded filter located near its distal end. The distal end of the inner catheter is advanced to a position adjacent to the expanded filter located within the patient's vasculature. The inner catheter can then be hooked onto the guide wire. The recovery sheath can then be advanced over the distal portion of the inner catheter and over the expanded filter in order to collapse the expanded filter. The recovery sheath, inner sheath, guide wire and partially or completely collapsed filter can then be removed from the patient's vasculature.
- It is to be understood that the present invention is not limited by the embodiments described herein. The present invention can be used in arteries, veins, and other body vessels. Other features and advantages of the present invention will become more apparent from the following detailed description of the invention, when taken in conjunction with the accompanying exemplary drawings.
- FIG. 1 is an elevational view, partially in cross section, of a deployment control system embodying features of the present invention as it is initially coupled to an embolic protection device which is being delivered for deployment past an area of treatment in a body vessel.
- FIG. 2 is an elevational view, partially in cross section, similar to that shown in FIG. 1, wherein the deployment control system is deployed and the embolic protection device is shown in its expanded position within the body vessel.
- FIG. 3 is an elevational view, partially in cross section, similar to that shown in FIG. 2, wherein the deployment control system has been removed from the body vessel and a recovery control system embodying features of the present invention is being deployed to collapse and retrieve the expanded embolic protection device.
- FIG. 4 is an elevational view, partially in cross section, similar to that shown in FIG. 3, wherein the recovery sheath of the recovery control system is being deployed to collapse the expanded embolic protection device.
- FIG. 5 is an elevational view, partially in cross section, similar to that shown in FIG. 4, wherein the recovery control system has retracted the expanded embolic protection device for removal from the body vessel.
- FIG. 6 is an elevational view of the various components making up the deployment control system depicted in FIGS. 1 and 2.
- FIG. 7 is an elevational view, partially in cross-section and fragmented, of the proximal handle components of the recovery control system shown in FIG. 3.
- FIG. 8 is an elevational view, partially in cross-section and fragmented, showing the components of the recovery control system shown in FIG. 4.
- FIG. 9 is a perspective view of the spacer member shown in FIGS. 1 and 6 which is utilized in conjunction with the deployment control system of the present invention.
- FIG. 10 is a perspective view of another embodiment of a spacer member which can be utilized in conjunction with the deployment control system of the present invention.
- FIG. 11 is a perspective view of another embodiment of a locking mechanism which can be utilized in conjunction with the components of the deployment control system or recovery control system of the present invention.
- Turning now to the drawings, in which like reference numerals represent like or corresponding elements in the drawings, FIGS. 1 and 2 illustrate a
deployment control system 10 incorporating features of the present invention. Thisdeployment control system 10 is adapted for use with anembolic protection device 12 designed to capture embolic debris which may be created and released into a body vessel during an interventional procedure. Theembolic protection device 12 includes anexpandable filter assembly 14 having a self-expandingstrut assembly 15 and afilter element 16. In this particular embodiment, the expandable filter assembly is rotatably mounted on the distal end of an elongated tubular shaft, such as aguide wire 18. A restrainingsheath 20 extends coaxially along theguide wire 18 in order to maintain theexpandable filter 14 in its collapsed position until it is ready to be deployed within the patient's vasculature. Theexpandable filter 14 is deployed by the physician by simply retracting the restrainingsheath 20 proximally to expose theexpandable filter 14. The self-expandingstrut assembly 15 thus becomes uncovered and immediately begins to expand within the body vessel (see FIG. 2). It should be appreciated that theembolic protection device 12 depicted herein is just one example of numerous different embolic protection devices which can be utilized in accordance with the present invention. Generally, the deployment control system and recovery control system of the present invention can be utilized in accordance with any embolic protection device which utilizes a self-expanding filter that can be deployed by, for example, retracting a sheath, sheath-like sleeve, or other mechanism which maintains the self-expanding filter in a collapsed position. Anobturator 22 affixed to the distal end of thefilter assembly 14 can be implemented to prevent possible “snowplowing” of the embolic protection device during delivery through the vasculature. The obturator can be made from a soft polymeric material, such asPebax 40, and has a smooth surface to help the embolic protection device travel through the vasculature and cross lesions while preventing the distal end of the delivery catheter (not shown) from “digging” or “snowplowing” into the wall of the body vessel. Additional details regarding the particular structure and shape of the various elements making up thefilter assembly 14 are provided below. - In FIG. 1, the
embolic protection device 12 is shown as it is being delivered within anartery 24 or other body vessel of the patient. This portion of theartery 24 has an area oftreatment 26 in whichatherosclerotic plaque 28 has built up against theinside wall 30 of theartery 24. Thefilter assembly 14 is to be placed distal to and downstream from the area oftreatment 26 as is shown in FIGS. 1 and 2. The therapeutic interventional procedure may comprise the implantation of a stent to increase the diameter of an occluded artery and increase the flow of blood therethrough. It should be appreciated that the embodiments of the system and method are illustrated and described herein by way of example only and not by way of limitation. Also, while the present invention is described in detail as applied to an artery of the patient, those skilled in the art will appreciate that it can also be used in body vessels, such as the coronary arteries, carotid arteries, renal arteries, saphenous veins and other peripheral arteries. Additionally, the present invention can be utilized when a physician performs any one of a number of interventional procedures, such as balloon angioplasty, laser angioplasty or atherectomy, utilizing an embolic protection device. - The
strut assembly 15 may include self-expandingstruts 31 which, upon release from the restrainingsheath 20, expand thefilter element 16 into its deployed position within the artery. When thestruts 31 are expanded, thefilter element 16 takes on a basket shape. Embolic debris created during the interventional procedure and released into the bloodstream is captured within the deployedfilter element 16. Although not shown, a balloon angioplasty catheter can be initially introduced within the patient's vasculature in a conventional SELDINGER technique through a guiding catheter (not shown). Theguide wire 18 is disposed through the area of treatment and the dilatation catheter can be advanced over theguide wire 18 within theartery 24 until the balloon portion is directly in the area oftreatment 26. The balloon of the dilatation catheter can be expanded, expanding theplaque 28 against theinside wall 30 of theartery 24 to expand the artery and reduce the blockage in the vessel at the position of theplaque 28. After the dilatation catheter is removed from the patient's vasculature, a stent 32 (shown in FIG. 3) could also be delivered to the area oftreatment 26 using over-the-wire techniques to help hold and maintain this portion of theartery 24 and help prevent restenosis from occurring in the area of treatment. Any embolic debris which is created during the interventional procedure will be released into the bloodstream and should enter thefilter assembly 14 located downstream from the area of treatment. Once the procedure is completed, thefilter assembly 14 is to be collapsed and removed from theartery 24, taking with it any embolic debris trapped within thefilter element 16. The recovery control system of the present invention (described below) can be utilized to collapse the filter assembly for removal from the patient's vasculature. - The
deployment control system 10, depicted in FIGS. 1 and 2, is utilized to provide controlled and accurate deployment of thefilter assembly 14 of theembolic protection device 12. Thesystem 10 includes atorque control device 34 which is manipulated by the physician in order to rotate or “torque” theguide wire 18 as theembolic protection device 12 is being delivered through the patient's vasculature. Thistorque control device 34 consists of ahandle portion 36 and alocking mechanism 38 utilized to lock thehandle portion 36 tightly on theguide wire 38. Thetorque control device 34 shown in FIGS. 1, 2 and 6 can be a commercially-available torque control device which is readily available. It should be appreciated by those skilled in the art that any one of a number of different torque controlled devices can be utilized in accordance with the present invention. During use, the physician manipulates thehandle portion 36 allowing the physician to rotate the distalcoil spring tip 40 of theguide wire 18 to steer theguide wire 18 into the proper body vessel. The physician usually creates a curvature at the distalcoil spring tip 40 which is controlled by the physician via thetorque control device 34. Thiswire introducer 42 has a structure much like a modified needle introducer. Thetubular member 48 can be made from stainless steel or a polymeric material having high axial stiffness. Awire introducer 42 is located proximal to the end 44 (see FIG. 6) of thetorque control device 34. Thewire introducer 42 includes aproximal end cap 46 adapted to receive thedistal end 44 of thetorque control device 34. Thiswire introducer 42 includes a substantially rigid tubular member 48 (FIG. 2) which provides a stiff structure that helps prevent buckling of the guide wire as the restrainingsheath 20 is retracted proximally to deploy theexpandable filter assembly 14. Thiswire introducer 42 has a structure much like a modified needle introducer. Thetubular member 48 can be made from stainless steel or a polymeric material having high axial stiffness. Aspacer member 50 is located between thewire introducer 42 and theembolic protection device 12. Thisspacer member 50 is designed to be removed from the guide wire after theembolic protection device 12 has been steered into the proper position within the patient's vasculature. Thisspacer member 50, once removed from the guide wire, allows the proximal end of theembolic protection device 12 to be retracted back towards the torque control device 34 a sufficient length to uncover theexpandable filter assembly 14 located at the distal end of theguide wire 18. Thespacer member 50 includes aslit 52 or a perforated line that extends along the length thereof which allows the physician to remove the spacer member from the guide wire once the restraining sheath is to be retracted. This spacer member helps prevent the restrainingsheath 20 from retracting proximally, thus preventing theexpandable filter assembly 14 from prematuring expanding as theembolic protection device 12 is being delivered through the patient's vasculature. - As can be seen in FIGS. 1 and 2, the proximal end of the
embolic protection device 12 includes a luer fitting 54 with a rotatablehemostatic valve 56 attached at its end. This rotatablehemostatic valve 56 allows theguide wire 18 to be placed within an internal lumen (not shown) of the fitting 54 while preventing backflow of blood therethrough. As can be seen in FIGS. 1 and 9, thespacer member 50 includes a flaredproximal end 58 and a flareddistal end 60 which come in contact with adjacent components. In FIG. 1, the flaredproximal end 58 is shown contacting theend cap 46 of thewire introducer 42. In this regard, these particular elements remain in an abutting relationship until thespacer member 50 is to be removed for deployment of the filter assembly. The flareddistal end 60 is in turn in contact with an opening (not shown) located on the rotatablehemostatic valve 56. The flareddistal end 60 of thisspacer member 50 helps prevent thespacer member 50 from entering the opening of the rotatinghemostatic valve 56. When the components are in the position shown in FIG. 1, thedistal end 62 of thetubular member 48 is adjacent, or in, the internal lumen (not shown) of the fitting 54. After thespacer member 50 is removed, as described below, the fitting 54 can be retracted back towards the torque control device. - Referring now to FIG. 10, an alternative embodiment of the spacer member64 is shown which lacks the flared ends utilized in the previously described embodiment. In this particular embodiment, the spacer member 64 has a substantially tubular shape and has large wall thickness which creates a large abutting shoulder that acts substantially like the flared ends in preventing the member 64 from entering the opening of the rotating
hemostatic valve 56. The end of this particular spacer member 64 has a sufficient wall thickness to provide a shoulder against which thedistal end 62 of thewire introducer 42 can abut. This spacer member 64 includes aperforation line 66, rather than a longitudinal slit, as is shown in the previous embodiment of thespacer marker member 50. Thisperforated line 66 is utilized in a similar fashion as theslit 52 in that, once the spacer member 64 is to be removed from the deployment control system, the perforation line is simply torn by the physician to remove the spacer off of the guide wire. Thereafter, the proximal end of theembolic protection device 12 can be retracted to expand thefilter assembly 14. It should also be appreciated to those skilled in the art that other sizes and shapes of the spacer member can be utilized without departing from the spirit and scope of the present invention. Generally, the length of the spacer member corresponds approximately to the length of restraining sheath which must be retracted in order to deploy theexpandable filter assembly 14. It should be appreciated that the length of the spacer member can be increased to insure that the distal end of the restrainingsheath 20 properly retracted from theexpandable filter assembly 14. Additionally, theslit 52 orperforated line 66 can be cut into the spacer member in any one of a number of different sizes and shapes. For example, theslit 52 online 66 could be a circular cut which extends around the spacer member from end to end, rather than the substantially straight line cut shown in FIGS. 9 and 10. This is just one example of the many ways that the slit or line could be cut into the spacer member without departing from the spirit and scope of the invention. - Once the spacer member has been removed from the
guide wire 18, the proximal end of theembolic protection device 12 can be retracted proximally to deploy theexpandable filter assembly 14. When this particular action is taken, thetubular member 48 of thewire introducer 42 acts as a stiffener to prevent theguide wire 18 from buckling or bending as the proximal end of the embolic protection device is being retracted. In this regard, there is less likelihood that the physician will buckle or place a kink in the guide wire during deployment of the embolic protection device. It should be appreciated that if the tubular member were not present, a portion of the guide wire would be exposed between theproximal fitting 54 and the end of thetorque control device 34. As a result, there could be a greater possibility that the physician could buckle or otherwise bend theguide wire 18 as the proximal end of the embolic protection device is being retracted proximally towards the torque control device. In the present invention, once the proximal end of the embolic protection device is retracted back, thetubular member 48 remains in the internal lumen of the fitting 54 as the fitting and restrainingsheath 20 are retracted back. Once deployment has been completed, thetorque control device 34, thewire introducer 42, and restrainingsheath 20 can be removed from the guide wire to allow an interventional device to be advanced into the area of treatment by the physician using over-the-wire techniques. - The
torque control device 34 andwire introducer 42 are shown in FIGS. 1 and 6 as separate components which are joined together. However, it is also possible to manufacture these same two components as a single unit, if desired. Referring now to FIG. 6, theproximal end cap 46 of thewire introducer 42 can be made with a female type ball joint lock with a matching male type ball joint lock formed at the end of thetorque control device 34. The male to female fittings of these two components allow for a snug fit between the same components. When thetorque control device 34 is securing fastened to the guide wire, theembolic protection device 12 cannot be inadvertently deployed. This also allows theguide wire 18 to be torqued without risk of deploying the embolic protection device. Additionally, the male to female fittings of thetorque control device 34 andwire introducer 42 allow the two components to rotate relative to one, another although a simple locking mechanism could also be used to prevent thetorque control device 34 andwire introducer 42 to rotate simultaneously when manipulated by the physician. A locking mechanism, such as the one shown in FIG. 11 could also be implemented for locking these components together. - When the
embolic protection device 12 is to be removed from the vasculature, therecovery control system 70 of the present invention can be utilized. Referring now to FIGS. 3 to 5, therecovery system 70 includes aninner catheter 72 which is loaded inside alumen 74 of arecovery sheath 76. Therecovery sheath 76 is advanced over theinner catheter 72 andfilter assembly 14 to collapse and recover thefilter assembly 14. Therecovery sheath 76 has a larger inner diameter than the outer diameter ofinner catheter 72. Therecovery sheath 76 can have a working length which may be up to 10 to 15 centimeters shorter than theinner catheter 72. This allows adistal portion 78 of theinner catheter 72 to extend beyond thedistal end 80 of therecovery sheath 76 during initial delivery through the artery, as will be described below. - The proximal ends of the
recovery control system 70 include handles which allow the physician to easily manipulate the components when retrieving theembolic protection device 12. Theinner catheter 72 includes acontrol handle 82 which includes a lumen 84 (see FIG. 7) which is backloaded onto theguide wire 18. Therecovery sheath 76 has a similar proximal control handle 86 which extends over theproximal handle 82 of theinner catheter 72 in a coaxial arrangement. Likewise, the control handle 86 of therecovery sheath 76 includes an internal lumen 88 (see FIGS. 7 and 8) which receives theinner catheter 72. In use, the physician is able to hold theseproximal handles embolic protection device 12 is to be collapsed and retrieved for removal from the patient's vasculature. In this regard, a locking mechanism, such as the one shown in FIGS. 7 and 8 can be utilized. The simple mechanism which is utilized includes a male female lock joint which is located on the proximal handles 82 and 86. In this regard, the proximal control handle 82 includes arecess 90 for receiving such as an O-ring 92 which sits within therecess 92. Likewise, the proximal control handle 86 includes arecess 94 which is adapted to receive the portion of the O-ring 92 which extends above the surface of theproximal handle 82. In this regard, the O-ring 92 acts as a simple locking mechanism for maintaining the two components, namely the proximal control handles 82 and 86, together until the physician is ready to advance the restrainingsheaths 76 distally towards thefilter assembly 14. It should be appreciated that other locking mechanisms, for example, the one shown in FIGS. 1 and 11, can be utilized without departing from the spirit and scope of the present invention. - The
inner catheter 72 is first introduced over theguide wire 18 for delivery past thetreatment site 26, where, for example, astent 32 has been implanted. As shown in FIG. 3, the relatively flexibledistal portion 78 of theinner catheter 72 tracks over theguide wire 18 distally from therecovery sheath 76. Theinner catheter 72 can be less stiff than therecovery sheath 76 and thedistal portion 78 of theinner catheter 72 is likely to cause less straightening of the vasculature as it tracks over theguide wire 18 to theexpandable filter assembly 14. The delivery of this smaller diameterinner catheter 72 helps to maintain the curvature of the artery by minimizing the possibility of the artery “straightening” as the largerdiameter recovery sheath 76 is advanced over thedistal portion 78. While the “straightening” effect of the artery is not apparent from the drawings (since theartery 24 is shown relatively straight to begin with), it should be appreciated that this straightening effect would be less likely to occur when the filter assembly is in a curved artery due to the presence of theinner catheter 72. Additionally, the increased flexibility of theinner catheter 72 better enables the distal portion of theinner catheter 72 to negotiate the tortuous anatomy of the vasculature and improves tracking over theguide wire 18. - As shown in FIGS. 4 and 5, after the
distal end 96 of theinner catheter 72 has reached theproximal fitting 98 which maintains thefilter assembly 14 on theguide wire 18, theinner catheter 72 can be then locked into place by the physician. This is accomplished by backloading thetorque control device 34 with thewire introducer 42 onto theguide wire 18 and positioning the two components in an abutting relationship with the proximal control handle 82 of theinner catheter 72. Once thetorque control device 34 andwire introducer 42 are placed adjacent to theproximal handle 82, the physician can lock thetorque control device 34 via thelocking mechanism 38 to lock the components onto thewire 18. In this regard, theinner catheter 72 cannot move along the length of the guide wire since thedistal end 46 is in an abutting relationship with theproximal fitting 98 and the proximal control handle 82 is in an abutting relationship with thetorque control device 34 andwire introducer 32. Once theinner catheter 72 is locked in place, therecovery sheath 76 can now be advanced over thedistal portion 78 of theinner catheter 72 and toward thefilter assembly 14 in order to collapse and recover the expandedfilter assembly 14. The column strength at thedistal end 80 of therecovery sheath 76 should be sufficiently strong to ensure that as the struts of thefilter assembly 14 are moved back into its collapsed position and that therecovery sheath 76 does not buckle or experience an accordion effect. - The collapse of the
expandable filter assembly 14 can be accomplished by the physician by holding the proximal control handle 82 and moving the proximal end control handle 86 of therecovery sheath 76 forward to move thedistal end 80 of thesheath 76 over thefilter assembly 14, as shown in FIG. 5. Upon collapse of thefilter assembly 14, any embolic debris generated during the interventional procedure will remain trapped inside thefilter element 16. Therecovery system 70, along with theembolic protection device 12, can then be withdrawn from the bloodstream and removed from the vasculature. - Referring now to FIG. 11, an alternative embodiment of a locking mechanism which can be utilized in conjunction with the components of deployment control system or recovery control system is shown. In this particular figure, the proximal control handle82 includes a raised
locking pin 100 which is adapted to move through aslot 102 which is formed on the proximal control handle 86 of therecovery sheath 76. As can be seen in FIG. 11, theslot 102 is J-shaped in order to lock the locking pin, this locking the two control handles 82 and 86 together during use. Aresilient member 104 placed near thedistal end 106 of the control handle 82 creates a biasing force on the two components to maintain thelocking pin 100 within theslot 102 during usage. Thisresilient member 104 can be in the shape of an O-ring, or any other appropriate shape. It should be appreciated that theresilient member 104 provides a biasing force on the ends of each of the control handles 82 and 86 to lock the two components in place. Thereafter, if the physician wishes to decouple the two control handles, he/she needs to compress the member 104 a short distance to allow thelocking pin 100 to be removed from the end of the J-shapedslot 102 where it can then be removed from theslot 102 altogether. Thereafter, the control handle 86 of therecovery sheath 76 can be moved distally, as needed, to recover the expandedfilter assembly 14 of theembolic protection device 12. It should be appreciated by those skilled in the art that similar type locking mechanisms can be used in conjunction with the other components of thedeployment control system 10. For example, a similar locking mechanism can be implemented on thetorque control device 34 and thewire introducer 42 in order to lock the two components as needed. Still other types of locking mechanisms could be utilized in accordance with the present invention in order to achieve the same desired locking feature. - It should be appreciated that there is a desire to reduce the overall profile of the composite inner catheter/recovery sheath so it would be beneficial to use as small a wall thickness as possible to reduce the profile of the recovery system. However, it should be appreciated that the strength of the recovery sheath still must be sufficient to maintain the filtering assembly of the embolic protection device in a collapsed state for removal from the patient's vasculature.
- The materials which can be utilized for the restraining and recovery sheaths and inner catheter include polymeric materials which are well known in the art. One suitable polymeric material is cross-linked HDPE. Alternatively, the recovery and restraining sheath and inner catheter can be made from materials such as polyolefin which has sufficient strength to hold the compressed strut assembly and has relatively low frictional characteristics to minimize any friction between the filtering assembly and the sheath. Polyamide could be used for the inner catheter as well. Friction can be further reduced by applying a coat of silicone lubricant, such as Microglide®, to the inside surface of the recovery sheath before the recovery sheath is placed over the filter assembly. Still other suitable materials could be utilized for either the recovery sheath or inner catheter without departing from the spirit and scope of the present invention. Preferably, the wall thickness of the inner catheter is smaller than the recovery sheath to increase the flexibility as the composite recovery sheath/inner catheter is being delivered through the tortuous anatomy. However, depending upon the type of material which is utilized, the wall thickness of the inner catheter could be same or even greater than that of the recovery sheath. As is shown in the drawings, the inner catheter can be made from elongated tubing which is sufficiently flexible to travel over the guide wire. Other embodiments of the inner catheter can be utilized without departing from the spirit and scope of the present invention.
- The other components of the deployment control system and recovery system can be made from suitable plastic materials which are readily available in the art. For example, the proximal handles of the inner catheter and recovery sheath can be made from plastic materials which are commonly used for medical products. The components of the deployment control system can also be made from materials which are currently being used to manufacture similar medical devices.
- In view of the foregoing, it is apparent that the systems of the present invention substantially enhance the safety and efficiency of deploying and recovering embolic protection devices which are used to collect embolic material that may be generated during an interventional procedure. Further modifications and improvements may additionally be made to the system and method disclosed herein without departing from the scope of the present invention. Accordingly, it is not intended that the invention be limited, except as by the appended claims.
Claims (62)
1. A system for deploying within a body vessel an embolic protection device, which includes a guide wire, an expandable filter disposed on the guide wire, and a retractable restraining sheath for maintaining the expandable filter in a collapsed position, comprising:
a torque control device adapted to be connected to the guide wire for rotating the guide wire; and
a spacer member placed between the torque control device and the restraining sheath for preventing the restraining sheath from moving proximally on the guide wire until the spacer member is removed.
2. The system of claim 1 , further including:
a wire introducer associated with the torque control device, the wire introducer having a tubular member which extends distally away from the torque control device to help prevent the guide wire from bending when the restraining sheath is retracted proximally on the guide wire towards the torque control handle.
3. The system of claim 1 , further including:
means associated with the torque control device to help prevent the guide wire from bending when the restraining sheath is retracted proximally on the guide wire towards the torque control handle.
4. The system of claim 2 , further including:
means for locking the torque control device to the wire introducer.
5. The system of claim 1 , wherein:
the spacer member has a longitudinal length equal to or greater than the longitudinal length of the filter assembly.
6. The system of claim 1 , wherein:
the restraining sheath has a proximal end and the spacer member has a first end and a second end, the second end being in abutting relationship with the proximal end of the restraining sheath.
7. The system of claim 2 , wherein:
the restraining sheath has a proximal end and the spacer member has a first end and a second end, the second end being in abutting relationship with the proximal end of the restraining sheath and the first end being in abutting relationship with the end of the tubular member of the wire introducer.
8. The system of claim 7 , wherein:
a fitting forms the proximal end of the restraining sheath.
9. The system of claim 6 , wherein:
a fitting forms the proximal end of the restraining sheath.
10. The system of claim 1 , wherein:
the spacer member has a lumen through which the guide wire extends and a slit extending therethrough for allowing the spacer member to be removed from the guide wire.
11 The system of claim 1 , wherein:
the spacer member has a lumen through which the guide wire extends and a perforated score line extending therethrough which is capable of tearing to allow the spacer member to be removed from the guide wire.
12. The system of claim 1 , further including:
means for locking the torque control device onto the guide wire.
13. The system of claim 1 , wherein:
the spacer member has a first end and a second end, each first and second ends having an outwardly extending flare for creating an extended shoulder region.
14. An embolic protection system, comprising:
a guide wire having a distal end;
an expandable filter located near the distal end of the guide wire;
a restraining sheath extending over the guide wire in a coaxial arrangement and adapted to maintain the expandable filter in a collapsed position, the restraining sheath having a proximal end and a distal end;
a torque control device adapted to be connected to the guide wire for rotating the guide wire; and
a spacer member adapted to be removably connected to the guide wire and placed between the torque control device and the proximal end of the restraining sheath for preventing the restraining sheath from moving proximally on the guide wire until the spacer member is removed from the guide wire.
15. The system of claim 14 , further including:
a wire introducer associated with the torque control device, the wire introducer having a tubular member which extends distally away from the torque control device to help prevent the guide wire from bending when the restraining sheath is retracted proximally towards the torque control handle.
16. The system of claim 14 , further including:
means associated with the torque control device to help prevent the guide wire from bending when the restraining sheath is retracted proximally on the guide wire towards the torque control handle.
17. The system of claim 14 , further including:
means for locking the torque control device to the wire introducer.
18. The system of claim 14 wherein:
the spacer member has a longitudinal length equal to or greater than the longitudinal length of the filter assembly.
19. The system of claim 14 , wherein:
the restraining sheath has a proximal end and the spacer member has a first end and a second end, the second end being in abutting relationship with the proximal end of the restraining sheath.
20. The system of claim 15 , wherein:
the restraining sheath has a proximal end and the spacer member has a first end and a second end, the second end being in abutting relationship with the proximal end of the restraining sheath and the first end being in abutting relationship with the end of the tubular member of the wire introducer.
21. The system of claim 20 , wherein:
a fitting forms the proximal end of the restraining sheath.
22. The system of claim 19 , wherein:
a fitting forms the proximal end of the restraining sheath.
23. The system of claim 14 , wherein:
the spacer member has a lumen through which the guide wire extends and a slit extending therethrough for allowing the spacer member to be removed from the guide wire.
24. The system of claim 14 , wherein:
the spacer member has a lumen through which the guide wire extends and a perforated score line extending therethrough which is capable of tearing to allow the spacer member to be removed from the guide wire.
25. The system of claim 14 , further including:
means for locking the torque control device onto the guide wire.
26. The system of claim 14 , wherein:
the spacer member has a first end and a second end, each first and second ends having an outwardly extending flare for creating an extended shoulder region.
27. A method for deploying within a body lumen an embolic protection device, which includes a guide wire, an expandable filter disposed on the guide wire, and a restraining sheath for maintaining the expandable filter in a collapsed position, comprising:
placing a deployment control system on the guide wire proximal to the expandable filter, the deployment control system including a torque control device for rotating the guide wire and a spacer member disposed between the torque control device and the proximal end of the restraining sheath;
introducing the embolic protection device with the attached deployment control system into the body vessel;
advancing the expandable filter of the embolic protection device to the desired location in the body vessel;
removing the spacer member from the guide wire; and
moving the restraining sheath proximally toward the torque control device to retract the retaining sheath and deploy the expandable filter within the body vessel.
28. The method of claim 27 , wherein:
the deployment control system further includes a wire introducer disposed between the torque control device and spacer member, the wire introducer having a tubular member which extends distally away from the torque control device to help prevent the guide wire from bending when the restraining sheath is moved proximally on the guide wire towards the torque control handle.
29. The method of claim 28 , wherein:
the restraining sheath has a proximal fitting for receiving the guide wire and the spacer member has a first end and a second end, the second end being in abutting relationship with the fitting of the restraining sheath and the first end being in abutting relationship with the end of the tubular member of the wire introducer when the embolic protection device is introduced into the body vessel.
30. The method of claim 27 wherein:
the deployment control system further includes means for locking the torque control device to the wire introducer.
31. The method of claim 27 , wherein:
the spacer member has a lumen through which the guide wire extends and a slit extending therethrough for allowing the spacer member to be removed from the guide wire.
32. The method of claim 27 , wherein:
the spacer member has a lumen through which the guide wire extends and a perforated score line extending therethrough which is capable of tearing to allow the spacer member to be removed from the guide wire.
33. The method of claim 29 , wherein:
the deployment control system further includes means for locking the torque control device to the wire introducer.
34. The method of claim 27 wherein:
after the expandable filter is deployed, the following:
removing the restraining sheath and deployment control system from the guide wire; and
advancing an interventional device along the guide wire to an area to be treated within the body vessel.
35. A system for recovering an embolic protection device which includes a guide wire and expandable filter disposed thereon, comprising:
an inner catheter having a distal portion and a proximal end and being moveable along the guide wire;
a control handle attached to the proximal end of the inner catheter;
a recovery sheath having a distal end and a proximal end; and
a control handle attached to the proximal end of the recovery sheath,
wherein the inner catheter is capable of being loaded inside the recovery sheath with the distal portion of the inner catheter extending distally beyond the distal end of the recovery sheath when the inner catheter and recovery sheath are being advanced along the guide wire for placement in proximity to the expandable filter of the embolic protection device, the recovery sheath having sufficient column strength to collapse the expandable filter when advanced over the expandable filter.
36. The system of claim 35 , wherein:
the recovery sheath may be up to 15 centimeters shorter than the inner catheter.
37. The system of claim 35 , wherein:
the recovery sheath has greater column strength than the inner catheter.
38. The system of claim 35 , wherein:
the inner catheter has greater column strength than the recovery sheath.
39. The system of claim 35 , further including:
a locking mechanism for locking the control handle of the inner catheter with the control handle of the recovery sheath.
40. The system of claim 35 , wherein:
the control handle of the inner catheter can be locked with the control handle of the recovery sheath.
41. The system of claim 35 , wherein:
the control handle of the inner catheter is coaxially disposed within a lumen of the control handle of the recovery sheath.
42. The system of claim 41 , wherein:
the control handle of the inner catheter can be locked with the control handle of the recovery sheath.
43. The system of claim 42 , wherein:
the control handle of the inner catheter is movable relative to the control handle of the recovery sheath.
44. The system of claim 35 , further including:
means for locking the inner catheter onto the guide wire.
45. An embolic protection system, comprising:
a guide wire having a distal end;
an expandable filter located near the distal end of the guide wire;
an inner catheter having a distal portion and a control handle located at a proximal end, wherein the inner catheter is capable of being introduced over the guide wire; and
a recovery sheath having a distal end and a control handle located at a proximal end, wherein the inner catheter is capable of being loaded inside of a lumen of the recovery sheath, wherein the distal portion of the inner catheter extends distally beyond the distal end of recovery sheath when being advanced along the guide wire to retrieve the expandable filter, the recovery sheath having sufficient column strength to collapse the expandable filter when advanced over the expandable filter.
46. The system of claim 45 , wherein:
the recovery sheath may be up to 15 centimeters shorter than the inner catheter.
47. The system of claim 45 , wherein:
the recovery sheath has greater column strength than the inner catheter.
48. The system of claim 45 , wherein:
the inner catheter has greater column strength than the recovery sheath.
49. The system of claim 45 , further including:
a locking mechanism for locking the control handle of the inner catheter with the control handle of the recovery sheath.
50. The system of claim 45 , wherein:
the control handle of the inner catheter can be locked with the control handle of the recovery sheath.
51. The system of claim 45 , wherein:
the control handle of the inner catheter is coaxially disposed within a lumen of the control handle of the recovery sheath.
52. The system of claim 51 , wherein:
the control handle of the inner catheter can be locked with the control handle of the recovery sheath.
53. The system of claim 52 , wherein:
the control handle of the inner catheter is movable relative to the control handle of the recovery sheath and further including means for locking the control handles together.
54. A method of recovering an embolic protection device which includes a guide wire and an expandable filter from a body vessel, comprising:
loading an inner catheter inside a recovery sheath, wherein the inner catheter has a distal portion which extends beyond the distal end of the recovery lumen;
introducing the inner catheter and recovery sheath over the guide wire;
advancing the distal end of the inner catheter to a position adjacent to the expanded filter;
locking the inner catheter onto the guide wire;
advancing the recovery sheath over the distal portion of the inner catheter and the expanded filter to collapse the expanded filter.
55. The method of claim 54 , further comprising:
removing the recovery sheath, inner catheter, and embolic protection device from the body vessel.
56. The method of claim 54 , wherein:
the recovery sheath may be up to approximately 15 centimeters shorter than the inner catheter.
57. The method of claim 54 , wherein:
the distal portion of the inner catheter may extend up to 10 centimeters beyond the distal end of the recovery sheath when being advanced over the guide wire.
58. The method of claim 54 , wherein:
a control handle is located at the proximal end of the inner catheter and a control handle located at the proximal end of the recovery sheath.
59. The method of claim 58 , wherein:
the control handle of the inner catheter can be locked to the control handle of the recovery sheath.
60. The method of claim 54 , wherein:
after the distal end of the inner catheter is advanced to a position adjacent to the expanded filter, a torque control device is attached to the guide wire and placed in an abutting relationship with the proximal end of the inner catheter to lock the inner catheter onto the guide wire.
61. The method of claim 58 , wherein:
after the distal end of the inner catheter is advanced to a position adjacent to the expanded filter, a torque control device is attached to the guide wire and placed in an abutting relationship with the control handle of the inner catheter to lock the inner catheter onto the guide wire.
62. The method of claim 58 , wherein:
control handle of the recovery sheath is advanced distally to position the recovery sheath over the distal portion of the inner catheter and the expanded filter to collapse the expanded filter.
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US10/662,697 US20040088002A1 (en) | 2001-04-30 | 2003-09-15 | Deployment and recovery control systems for embolic protection devices |
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US09/845,758 US6645223B2 (en) | 2001-04-30 | 2001-04-30 | Deployment and recovery control systems for embolic protection devices |
US10/662,697 US20040088002A1 (en) | 2001-04-30 | 2003-09-15 | Deployment and recovery control systems for embolic protection devices |
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US09/845,758 Division US6645223B2 (en) | 2001-04-30 | 2001-04-30 | Deployment and recovery control systems for embolic protection devices |
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US10/662,697 Abandoned US20040088002A1 (en) | 2001-04-30 | 2003-09-15 | Deployment and recovery control systems for embolic protection devices |
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Cited By (143)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030120303A1 (en) * | 2001-12-21 | 2003-06-26 | Boyle William J. | Flexible and conformable embolic filtering devices |
US20050075663A1 (en) * | 2001-11-27 | 2005-04-07 | Boyle William J. | Offset proximal cage for embolic filtering devices |
US20050234503A1 (en) * | 1998-09-25 | 2005-10-20 | Ravenscroft Adrian C | Removeable embolus blood clot filter and filter delivery unit |
US20060106417A1 (en) * | 2004-11-12 | 2006-05-18 | Tessmer Alexander W | Filter delivery system |
US20070186596A1 (en) * | 2002-11-22 | 2007-08-16 | Boston Scientific Scimed, Inc. | Selectively locking device |
US20080140003A1 (en) * | 2006-12-06 | 2008-06-12 | Advanced Cardiovascular Systems, Inc. | Balloon catheter having a regrooming sheath and method for collapsing an expanded medical device |
US20100022951A1 (en) * | 2008-05-19 | 2010-01-28 | Luce, Forward, Hamilton 7 Scripps, Llp | Detachable hub/luer device and processes |
US7662166B2 (en) | 2000-12-19 | 2010-02-16 | Advanced Cardiocascular Systems, Inc. | Sheathless embolic protection system |
US7678129B1 (en) | 2004-03-19 | 2010-03-16 | Advanced Cardiovascular Systems, Inc. | Locking component for an embolic filter assembly |
US7678131B2 (en) | 2002-10-31 | 2010-03-16 | Advanced Cardiovascular Systems, Inc. | Single-wire expandable cages for embolic filtering devices |
US7699865B2 (en) | 2003-09-12 | 2010-04-20 | Rubicon Medical, Inc. | Actuating constraining mechanism |
US7704267B2 (en) | 2004-08-04 | 2010-04-27 | C. R. Bard, Inc. | Non-entangling vena cava filter |
US20100179583A1 (en) * | 2006-09-11 | 2010-07-15 | Carpenter Judith T | Methods of deploying and retrieving an embolic diversion device |
WO2010081025A1 (en) * | 2009-01-09 | 2010-07-15 | Embrella Cardiovascular, Inc. | Embolic deflection device and method of use |
US20100179647A1 (en) * | 2006-09-11 | 2010-07-15 | Carpenter Judith T | Methods of reducing embolism to cerebral circulation as a consequence of an index cardiac procedure |
US20100179585A1 (en) * | 2006-09-11 | 2010-07-15 | Carpenter Judith T | Embolic deflection device |
US20100211095A1 (en) * | 2006-09-11 | 2010-08-19 | Carpenter Judith T | Embolic Protection Device and Method of Use |
US7780694B2 (en) | 1999-12-23 | 2010-08-24 | Advanced Cardiovascular Systems, Inc. | Intravascular device and system |
US7815660B2 (en) | 2002-09-30 | 2010-10-19 | Advanced Cardivascular Systems, Inc. | Guide wire with embolic filtering attachment |
US7842064B2 (en) | 2001-08-31 | 2010-11-30 | Advanced Cardiovascular Systems, Inc. | Hinged short cage for an embolic protection device |
US7867273B2 (en) | 2007-06-27 | 2011-01-11 | Abbott Laboratories | Endoprostheses for peripheral arteries and other body vessels |
US7892251B1 (en) | 2003-11-12 | 2011-02-22 | Advanced Cardiovascular Systems, Inc. | Component for delivering and locking a medical device to a guide wire |
US7918820B2 (en) | 1999-12-30 | 2011-04-05 | Advanced Cardiovascular Systems, Inc. | Device for, and method of, blocking emboli in vessels such as blood arteries |
US7959646B2 (en) | 2001-06-29 | 2011-06-14 | Abbott Cardiovascular Systems Inc. | Filter device for embolic protection systems |
US7959647B2 (en) | 2001-08-30 | 2011-06-14 | Abbott Cardiovascular Systems Inc. | Self furling umbrella frame for carotid filter |
US7967838B2 (en) | 2005-05-12 | 2011-06-28 | C. R. Bard, Inc. | Removable embolus blood clot filter |
US7976560B2 (en) | 2002-09-30 | 2011-07-12 | Abbott Cardiovascular Systems Inc. | Embolic filtering devices |
US8016854B2 (en) | 2001-06-29 | 2011-09-13 | Abbott Cardiovascular Systems Inc. | Variable thickness embolic filtering devices and methods of manufacturing the same |
US8052712B2 (en) | 2001-07-02 | 2011-11-08 | Rubicon Medical, Inc. | Methods, systems, and devices for deploying a filter from a filter device |
US8062327B2 (en) | 2005-08-09 | 2011-11-22 | C. R. Bard, Inc. | Embolus blood clot filter and delivery system |
US8066757B2 (en) | 2007-10-17 | 2011-11-29 | Mindframe, Inc. | Blood flow restoration and thrombus management methods |
US8088140B2 (en) | 2008-05-19 | 2012-01-03 | Mindframe, Inc. | Blood flow restorative and embolus removal methods |
US8137377B2 (en) | 1999-12-23 | 2012-03-20 | Abbott Laboratories | Embolic basket |
US8142442B2 (en) | 1999-12-23 | 2012-03-27 | Abbott Laboratories | Snare |
US8177791B2 (en) | 2000-07-13 | 2012-05-15 | Abbott Cardiovascular Systems Inc. | Embolic protection guide wire |
US8216209B2 (en) | 2007-05-31 | 2012-07-10 | Abbott Cardiovascular Systems Inc. | Method and apparatus for delivering an agent to a kidney |
US8262689B2 (en) | 2001-09-28 | 2012-09-11 | Advanced Cardiovascular Systems, Inc. | Embolic filtering devices |
US8267954B2 (en) | 2005-02-04 | 2012-09-18 | C. R. Bard, Inc. | Vascular filter with sensing capability |
US8460335B2 (en) | 2006-09-11 | 2013-06-11 | Embrella Cardiovascular, Inc. | Method of deflecting emboli from the cerebral circulation |
US8545514B2 (en) | 2008-04-11 | 2013-10-01 | Covidien Lp | Monorail neuro-microcatheter for delivery of medical devices to treat stroke, processes and products thereby |
US8585713B2 (en) | 2007-10-17 | 2013-11-19 | Covidien Lp | Expandable tip assembly for thrombus management |
US8591540B2 (en) | 2003-02-27 | 2013-11-26 | Abbott Cardiovascular Systems Inc. | Embolic filtering devices |
US8613754B2 (en) | 2005-05-12 | 2013-12-24 | C. R. Bard, Inc. | Tubular filter |
US8679142B2 (en) | 2008-02-22 | 2014-03-25 | Covidien Lp | Methods and apparatus for flow restoration |
US8845583B2 (en) | 1999-12-30 | 2014-09-30 | Abbott Cardiovascular Systems Inc. | Embolic protection devices |
US8880185B2 (en) | 2010-06-11 | 2014-11-04 | Boston Scientific Scimed, Inc. | Renal denervation and stimulation employing wireless vascular energy transfer arrangement |
US8926680B2 (en) | 2007-11-12 | 2015-01-06 | Covidien Lp | Aneurysm neck bridging processes with revascularization systems methods and products thereby |
US8939970B2 (en) | 2004-09-10 | 2015-01-27 | Vessix Vascular, Inc. | Tuned RF energy and electrical tissue characterization for selective treatment of target tissues |
US8951251B2 (en) | 2011-11-08 | 2015-02-10 | Boston Scientific Scimed, Inc. | Ostial renal nerve ablation |
US8974451B2 (en) | 2010-10-25 | 2015-03-10 | Boston Scientific Scimed, Inc. | Renal nerve ablation using conductive fluid jet and RF energy |
US9023034B2 (en) | 2010-11-22 | 2015-05-05 | Boston Scientific Scimed, Inc. | Renal ablation electrode with force-activatable conduction apparatus |
US9028472B2 (en) | 2011-12-23 | 2015-05-12 | Vessix Vascular, Inc. | Methods and apparatuses for remodeling tissue of or adjacent to a body passage |
US9028485B2 (en) | 2010-11-15 | 2015-05-12 | Boston Scientific Scimed, Inc. | Self-expanding cooling electrode for renal nerve ablation |
US9050106B2 (en) | 2011-12-29 | 2015-06-09 | Boston Scientific Scimed, Inc. | Off-wall electrode device and methods for nerve modulation |
US9060761B2 (en) | 2010-11-18 | 2015-06-23 | Boston Scientific Scime, Inc. | Catheter-focused magnetic field induced renal nerve ablation |
US9079000B2 (en) | 2011-10-18 | 2015-07-14 | Boston Scientific Scimed, Inc. | Integrated crossing balloon catheter |
US9084609B2 (en) | 2010-07-30 | 2015-07-21 | Boston Scientific Scime, Inc. | Spiral balloon catheter for renal nerve ablation |
US9089350B2 (en) | 2010-11-16 | 2015-07-28 | Boston Scientific Scimed, Inc. | Renal denervation catheter with RF electrode and integral contrast dye injection arrangement |
US9119600B2 (en) | 2011-11-15 | 2015-09-01 | Boston Scientific Scimed, Inc. | Device and methods for renal nerve modulation monitoring |
US9119632B2 (en) | 2011-11-21 | 2015-09-01 | Boston Scientific Scimed, Inc. | Deflectable renal nerve ablation catheter |
US9125666B2 (en) | 2003-09-12 | 2015-09-08 | Vessix Vascular, Inc. | Selectable eccentric remodeling and/or ablation of atherosclerotic material |
US9125667B2 (en) | 2004-09-10 | 2015-09-08 | Vessix Vascular, Inc. | System for inducing desirable temperature effects on body tissue |
US9131999B2 (en) | 2005-11-18 | 2015-09-15 | C.R. Bard Inc. | Vena cava filter with filament |
US9155589B2 (en) | 2010-07-30 | 2015-10-13 | Boston Scientific Scimed, Inc. | Sequential activation RF electrode set for renal nerve ablation |
US9162046B2 (en) | 2011-10-18 | 2015-10-20 | Boston Scientific Scimed, Inc. | Deflectable medical devices |
US9173696B2 (en) | 2012-09-17 | 2015-11-03 | Boston Scientific Scimed, Inc. | Self-positioning electrode system and method for renal nerve modulation |
US9186209B2 (en) | 2011-07-22 | 2015-11-17 | Boston Scientific Scimed, Inc. | Nerve modulation system having helical guide |
US9186210B2 (en) | 2011-10-10 | 2015-11-17 | Boston Scientific Scimed, Inc. | Medical devices including ablation electrodes |
US9192435B2 (en) | 2010-11-22 | 2015-11-24 | Boston Scientific Scimed, Inc. | Renal denervation catheter with cooled RF electrode |
US9192790B2 (en) | 2010-04-14 | 2015-11-24 | Boston Scientific Scimed, Inc. | Focused ultrasonic renal denervation |
US9198687B2 (en) | 2007-10-17 | 2015-12-01 | Covidien Lp | Acute stroke revascularization/recanalization systems processes and products thereby |
US9204956B2 (en) | 2002-02-20 | 2015-12-08 | C. R. Bard, Inc. | IVC filter with translating hooks |
US9220561B2 (en) | 2011-01-19 | 2015-12-29 | Boston Scientific Scimed, Inc. | Guide-compatible large-electrode catheter for renal nerve ablation with reduced arterial injury |
US9220522B2 (en) | 2007-10-17 | 2015-12-29 | Covidien Lp | Embolus removal systems with baskets |
US9220558B2 (en) | 2010-10-27 | 2015-12-29 | Boston Scientific Scimed, Inc. | RF renal denervation catheter with multiple independent electrodes |
US9259305B2 (en) | 2005-03-31 | 2016-02-16 | Abbott Cardiovascular Systems Inc. | Guide wire locking mechanism for rapid exchange and other catheter systems |
US9265969B2 (en) | 2011-12-21 | 2016-02-23 | Cardiac Pacemakers, Inc. | Methods for modulating cell function |
US9277955B2 (en) | 2010-04-09 | 2016-03-08 | Vessix Vascular, Inc. | Power generating and control apparatus for the treatment of tissue |
US9297845B2 (en) | 2013-03-15 | 2016-03-29 | Boston Scientific Scimed, Inc. | Medical devices and methods for treatment of hypertension that utilize impedance compensation |
US9326751B2 (en) | 2010-11-17 | 2016-05-03 | Boston Scientific Scimed, Inc. | Catheter guidance of external energy for renal denervation |
US9326842B2 (en) | 2006-06-05 | 2016-05-03 | C. R . Bard, Inc. | Embolus blood clot filter utilizable with a single delivery system or a single retrieval system in one of a femoral or jugular access |
US9327100B2 (en) | 2008-11-14 | 2016-05-03 | Vessix Vascular, Inc. | Selective drug delivery in a lumen |
US9358365B2 (en) | 2010-07-30 | 2016-06-07 | Boston Scientific Scimed, Inc. | Precision electrode movement control for renal nerve ablation |
US9364284B2 (en) | 2011-10-12 | 2016-06-14 | Boston Scientific Scimed, Inc. | Method of making an off-wall spacer cage |
US20160184074A1 (en) * | 2009-10-06 | 2016-06-30 | B. Braun Medical Sas | Safety Cartridge for a Removable Vena Cava Filter |
US9408661B2 (en) | 2010-07-30 | 2016-08-09 | Patrick A. Haverkost | RF electrodes on multiple flexible wires for renal nerve ablation |
US9420955B2 (en) | 2011-10-11 | 2016-08-23 | Boston Scientific Scimed, Inc. | Intravascular temperature monitoring system and method |
US9433760B2 (en) | 2011-12-28 | 2016-09-06 | Boston Scientific Scimed, Inc. | Device and methods for nerve modulation using a novel ablation catheter with polymeric ablative elements |
US9463062B2 (en) | 2010-07-30 | 2016-10-11 | Boston Scientific Scimed, Inc. | Cooled conductive balloon RF catheter for renal nerve ablation |
US9486355B2 (en) | 2005-05-03 | 2016-11-08 | Vessix Vascular, Inc. | Selective accumulation of energy with or without knowledge of tissue topography |
US9579030B2 (en) | 2011-07-20 | 2017-02-28 | Boston Scientific Scimed, Inc. | Percutaneous devices and methods to visualize, target and ablate nerves |
US9636173B2 (en) | 2010-10-21 | 2017-05-02 | Medtronic Ardian Luxembourg S.A.R.L. | Methods for renal neuromodulation |
US9649156B2 (en) | 2010-12-15 | 2017-05-16 | Boston Scientific Scimed, Inc. | Bipolar off-wall electrode device for renal nerve ablation |
US9668811B2 (en) | 2010-11-16 | 2017-06-06 | Boston Scientific Scimed, Inc. | Minimally invasive access for renal nerve ablation |
US9687166B2 (en) | 2013-10-14 | 2017-06-27 | Boston Scientific Scimed, Inc. | High resolution cardiac mapping electrode array catheter |
US9693821B2 (en) | 2013-03-11 | 2017-07-04 | Boston Scientific Scimed, Inc. | Medical devices for modulating nerves |
US9707036B2 (en) | 2013-06-25 | 2017-07-18 | Boston Scientific Scimed, Inc. | Devices and methods for nerve modulation using localized indifferent electrodes |
US9713730B2 (en) | 2004-09-10 | 2017-07-25 | Boston Scientific Scimed, Inc. | Apparatus and method for treatment of in-stent restenosis |
US9757193B2 (en) | 2002-04-08 | 2017-09-12 | Medtronic Ardian Luxembourg S.A.R.L. | Balloon catheter apparatus for renal neuromodulation |
US9770606B2 (en) | 2013-10-15 | 2017-09-26 | Boston Scientific Scimed, Inc. | Ultrasound ablation catheter with cooling infusion and centering basket |
US9808300B2 (en) | 2006-05-02 | 2017-11-07 | Boston Scientific Scimed, Inc. | Control of arterial smooth muscle tone |
US9808311B2 (en) | 2013-03-13 | 2017-11-07 | Boston Scientific Scimed, Inc. | Deflectable medical devices |
US9827039B2 (en) | 2013-03-15 | 2017-11-28 | Boston Scientific Scimed, Inc. | Methods and apparatuses for remodeling tissue of or adjacent to a body passage |
US9827040B2 (en) | 2002-04-08 | 2017-11-28 | Medtronic Adrian Luxembourg S.a.r.l. | Methods and apparatus for intravascularly-induced neuromodulation |
US9833283B2 (en) | 2013-07-01 | 2017-12-05 | Boston Scientific Scimed, Inc. | Medical devices for renal nerve ablation |
US9895194B2 (en) | 2013-09-04 | 2018-02-20 | Boston Scientific Scimed, Inc. | Radio frequency (RF) balloon catheter having flushing and cooling capability |
US9907609B2 (en) | 2014-02-04 | 2018-03-06 | Boston Scientific Scimed, Inc. | Alternative placement of thermal sensors on bipolar electrode |
US9919144B2 (en) | 2011-04-08 | 2018-03-20 | Medtronic Adrian Luxembourg S.a.r.l. | Iontophoresis drug delivery system and method for denervation of the renal sympathetic nerve and iontophoretic drug delivery |
US9925001B2 (en) | 2013-07-19 | 2018-03-27 | Boston Scientific Scimed, Inc. | Spiral bipolar electrode renal denervation balloon |
US9943365B2 (en) | 2013-06-21 | 2018-04-17 | Boston Scientific Scimed, Inc. | Renal denervation balloon catheter with ride along electrode support |
US9956033B2 (en) | 2013-03-11 | 2018-05-01 | Boston Scientific Scimed, Inc. | Medical devices for modulating nerves |
US9962223B2 (en) | 2013-10-15 | 2018-05-08 | Boston Scientific Scimed, Inc. | Medical device balloon |
US9974607B2 (en) | 2006-10-18 | 2018-05-22 | Vessix Vascular, Inc. | Inducing desirable temperature effects on body tissue |
US10022182B2 (en) | 2013-06-21 | 2018-07-17 | Boston Scientific Scimed, Inc. | Medical devices for renal nerve ablation having rotatable shafts |
US10085799B2 (en) | 2011-10-11 | 2018-10-02 | Boston Scientific Scimed, Inc. | Off-wall electrode device and methods for nerve modulation |
US10123803B2 (en) | 2007-10-17 | 2018-11-13 | Covidien Lp | Methods of managing neurovascular obstructions |
US10166069B2 (en) | 2014-01-27 | 2019-01-01 | Medtronic Ardian Luxembourg S.A.R.L. | Neuromodulation catheters having jacketed neuromodulation elements and related devices, systems, and methods |
US10188829B2 (en) | 2012-10-22 | 2019-01-29 | Medtronic Ardian Luxembourg S.A.R.L. | Catheters with enhanced flexibility and associated devices, systems, and methods |
US10188496B2 (en) | 2006-05-02 | 2019-01-29 | C. R. Bard, Inc. | Vena cava filter formed from a sheet |
US10265122B2 (en) | 2013-03-15 | 2019-04-23 | Boston Scientific Scimed, Inc. | Nerve ablation devices and related methods of use |
US10271898B2 (en) | 2013-10-25 | 2019-04-30 | Boston Scientific Scimed, Inc. | Embedded thermocouple in denervation flex circuit |
US10321946B2 (en) | 2012-08-24 | 2019-06-18 | Boston Scientific Scimed, Inc. | Renal nerve modulation devices with weeping RF ablation balloons |
US10342609B2 (en) | 2013-07-22 | 2019-07-09 | Boston Scientific Scimed, Inc. | Medical devices for renal nerve ablation |
US10350004B2 (en) | 2004-12-09 | 2019-07-16 | Twelve, Inc. | Intravascular treatment catheters |
US10398464B2 (en) | 2012-09-21 | 2019-09-03 | Boston Scientific Scimed, Inc. | System for nerve modulation and innocuous thermal gradient nerve block |
US10413357B2 (en) | 2013-07-11 | 2019-09-17 | Boston Scientific Scimed, Inc. | Medical device with stretchable electrode assemblies |
US10548663B2 (en) | 2013-05-18 | 2020-02-04 | Medtronic Ardian Luxembourg S.A.R.L. | Neuromodulation catheters with shafts for enhanced flexibility and control and associated devices, systems, and methods |
US10549127B2 (en) | 2012-09-21 | 2020-02-04 | Boston Scientific Scimed, Inc. | Self-cooling ultrasound ablation catheter |
US10588682B2 (en) | 2011-04-25 | 2020-03-17 | Medtronic Ardian Luxembourg S.A.R.L. | Apparatus and methods related to constrained deployment of cryogenic balloons for limited cryogenic ablation of vessel walls |
US10660698B2 (en) | 2013-07-11 | 2020-05-26 | Boston Scientific Scimed, Inc. | Devices and methods for nerve modulation |
US10660703B2 (en) | 2012-05-08 | 2020-05-26 | Boston Scientific Scimed, Inc. | Renal nerve modulation devices |
US10695124B2 (en) | 2013-07-22 | 2020-06-30 | Boston Scientific Scimed, Inc. | Renal nerve ablation catheter having twist balloon |
US10709490B2 (en) | 2014-05-07 | 2020-07-14 | Medtronic Ardian Luxembourg S.A.R.L. | Catheter assemblies comprising a direct heating element for renal neuromodulation and associated systems and methods |
US10722255B2 (en) | 2008-12-23 | 2020-07-28 | Covidien Lp | Systems and methods for removing obstructive matter from body lumens and treating vascular defects |
US10722300B2 (en) | 2013-08-22 | 2020-07-28 | Boston Scientific Scimed, Inc. | Flexible circuit having improved adhesion to a renal nerve modulation balloon |
US10736690B2 (en) | 2014-04-24 | 2020-08-11 | Medtronic Ardian Luxembourg S.A.R.L. | Neuromodulation catheters and associated systems and methods |
US10835305B2 (en) | 2012-10-10 | 2020-11-17 | Boston Scientific Scimed, Inc. | Renal nerve modulation devices and methods |
US10945786B2 (en) | 2013-10-18 | 2021-03-16 | Boston Scientific Scimed, Inc. | Balloon catheters with flexible conducting wires and related methods of use and manufacture |
US10952790B2 (en) | 2013-09-13 | 2021-03-23 | Boston Scientific Scimed, Inc. | Ablation balloon with vapor deposited cover layer |
US11000679B2 (en) | 2014-02-04 | 2021-05-11 | Boston Scientific Scimed, Inc. | Balloon protection and rewrapping devices and related methods of use |
US11202671B2 (en) | 2014-01-06 | 2021-12-21 | Boston Scientific Scimed, Inc. | Tear resistant flex circuit assembly |
US11246654B2 (en) | 2013-10-14 | 2022-02-15 | Boston Scientific Scimed, Inc. | Flexible renal nerve ablation devices and related methods of use and manufacture |
US11337714B2 (en) | 2007-10-17 | 2022-05-24 | Covidien Lp | Restoring blood flow and clot removal during acute ischemic stroke |
Families Citing this family (89)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7491216B2 (en) | 1997-11-07 | 2009-02-17 | Salviac Limited | Filter element with retractable guidewire tip |
DE69838952T2 (en) | 1997-11-07 | 2009-01-02 | Salviac Ltd. | EMBOLISM PROTECTION DEVICE |
US6918921B2 (en) | 1999-05-07 | 2005-07-19 | Salviac Limited | Support frame for an embolic protection device |
US6964672B2 (en) | 1999-05-07 | 2005-11-15 | Salviac Limited | Support frame for an embolic protection device |
US8414543B2 (en) | 1999-10-22 | 2013-04-09 | Rex Medical, L.P. | Rotational thrombectomy wire with blocking device |
GB2369575A (en) | 2000-04-20 | 2002-06-05 | Salviac Ltd | An embolic protection system |
US6997939B2 (en) * | 2001-07-02 | 2006-02-14 | Rubicon Medical, Inc. | Methods, systems, and devices for deploying an embolic protection filter |
US6656351B2 (en) * | 2001-08-31 | 2003-12-02 | Advanced Cardiovascular Systems, Inc. | Embolic protection devices one way porous membrane |
US6878151B2 (en) * | 2001-09-27 | 2005-04-12 | Scimed Life Systems, Inc. | Medical retrieval device |
EP1455686A2 (en) | 2001-12-21 | 2004-09-15 | Salviac Limited | A support frame for an embolic protection device |
US20040153119A1 (en) * | 2003-01-30 | 2004-08-05 | Kusleika Richard S. | Embolic filters with a distal loop or no loop |
US7294135B2 (en) * | 2003-03-20 | 2007-11-13 | Medtronic Vascular, Inc | Control handle for intraluminal devices |
US7331976B2 (en) | 2003-04-29 | 2008-02-19 | Rex Medical, L.P. | Distal protection device |
US7604649B2 (en) | 2003-04-29 | 2009-10-20 | Rex Medical, L.P. | Distal protection device |
US8048042B2 (en) * | 2003-07-22 | 2011-11-01 | Medtronic Vascular, Inc. | Medical articles incorporating surface capillary fiber |
US7879062B2 (en) * | 2003-07-22 | 2011-02-01 | Lumen Biomedical, Inc. | Fiber based embolism protection device |
US7035438B2 (en) * | 2003-07-30 | 2006-04-25 | Xerox Corporation | System and method for measuring and quantizing document quality |
US20050049669A1 (en) * | 2003-08-29 | 2005-03-03 | Jones Donald K. | Self-expanding stent and stent delivery system with distal protection |
US20050159772A1 (en) * | 2004-01-20 | 2005-07-21 | Scimed Life Systems, Inc. | Sheath for use with an embolic protection filtering device |
US10188413B1 (en) | 2004-04-21 | 2019-01-29 | Acclarent, Inc. | Deflectable guide catheters and related methods |
US20060063973A1 (en) | 2004-04-21 | 2006-03-23 | Acclarent, Inc. | Methods and apparatus for treating disorders of the ear, nose and throat |
US20060004323A1 (en) | 2004-04-21 | 2006-01-05 | Exploramed Nc1, Inc. | Apparatus and methods for dilating and modifying ostia of paranasal sinuses and other intranasal or paranasal structures |
US9399121B2 (en) | 2004-04-21 | 2016-07-26 | Acclarent, Inc. | Systems and methods for transnasal dilation of passageways in the ear, nose or throat |
US20070167682A1 (en) | 2004-04-21 | 2007-07-19 | Acclarent, Inc. | Endoscopic methods and devices for transnasal procedures |
US8702626B1 (en) | 2004-04-21 | 2014-04-22 | Acclarent, Inc. | Guidewires for performing image guided procedures |
US8747389B2 (en) | 2004-04-21 | 2014-06-10 | Acclarent, Inc. | Systems for treating disorders of the ear, nose and throat |
US7803150B2 (en) | 2004-04-21 | 2010-09-28 | Acclarent, Inc. | Devices, systems and methods useable for treating sinusitis |
US7654997B2 (en) | 2004-04-21 | 2010-02-02 | Acclarent, Inc. | Devices, systems and methods for diagnosing and treating sinusitus and other disorders of the ears, nose and/or throat |
US8894614B2 (en) | 2004-04-21 | 2014-11-25 | Acclarent, Inc. | Devices, systems and methods useable for treating frontal sinusitis |
US20190314620A1 (en) | 2004-04-21 | 2019-10-17 | Acclarent, Inc. | Apparatus and methods for dilating and modifying ostia of paranasal sinuses and other intranasal or paranasal structures |
US7771411B2 (en) | 2004-09-24 | 2010-08-10 | Syntheon, Llc | Methods for operating a selective stiffening catheter |
WO2006042114A1 (en) | 2004-10-06 | 2006-04-20 | Cook, Inc. | Emboli capturing device having a coil and method for capturing emboli |
US8945169B2 (en) | 2005-03-15 | 2015-02-03 | Cook Medical Technologies Llc | Embolic protection device |
US8221446B2 (en) | 2005-03-15 | 2012-07-17 | Cook Medical Technologies | Embolic protection device |
US8951225B2 (en) | 2005-06-10 | 2015-02-10 | Acclarent, Inc. | Catheters with non-removable guide members useable for treatment of sinusitis |
US7850708B2 (en) | 2005-06-20 | 2010-12-14 | Cook Incorporated | Embolic protection device having a reticulated body with staggered struts |
US8109962B2 (en) | 2005-06-20 | 2012-02-07 | Cook Medical Technologies Llc | Retrievable device having a reticulation portion with staggered struts |
US7771452B2 (en) | 2005-07-12 | 2010-08-10 | Cook Incorporated | Embolic protection device with a filter bag that disengages from a basket |
US7766934B2 (en) | 2005-07-12 | 2010-08-03 | Cook Incorporated | Embolic protection device with an integral basket and bag |
US8187298B2 (en) | 2005-08-04 | 2012-05-29 | Cook Medical Technologies Llc | Embolic protection device having inflatable frame |
US8377092B2 (en) | 2005-09-16 | 2013-02-19 | Cook Medical Technologies Llc | Embolic protection device |
US8632562B2 (en) | 2005-10-03 | 2014-01-21 | Cook Medical Technologies Llc | Embolic protection device |
US8182508B2 (en) | 2005-10-04 | 2012-05-22 | Cook Medical Technologies Llc | Embolic protection device |
US8252017B2 (en) | 2005-10-18 | 2012-08-28 | Cook Medical Technologies Llc | Invertible filter for embolic protection |
US8216269B2 (en) | 2005-11-02 | 2012-07-10 | Cook Medical Technologies Llc | Embolic protection device having reduced profile |
US8152831B2 (en) | 2005-11-17 | 2012-04-10 | Cook Medical Technologies Llc | Foam embolic protection device |
US20070185524A1 (en) * | 2006-02-03 | 2007-08-09 | Pedro Diaz | Rapid exchange emboli capture guidewire system and methods of use |
US7988621B2 (en) * | 2006-08-10 | 2011-08-02 | Syntheon, Llc | Torque-transmitting, variably-flexible, corrugated insertion device and method for transmitting torque and variably flexing a corrugated insertion device |
US8556804B2 (en) * | 2006-05-22 | 2013-10-15 | Syntheon, Llc | Torque-transmitting, variably flexible insertion device and method for transmitting torque and variably flexing an insertion device |
US10123683B2 (en) | 2006-03-02 | 2018-11-13 | Syntheon, Llc | Variably flexible insertion device and method for variably flexing an insertion device |
US9155451B2 (en) | 2006-03-02 | 2015-10-13 | Syntheon, Llc | Variably flexible insertion device and method for variably flexing an insertion device |
US8092374B2 (en) * | 2006-03-02 | 2012-01-10 | Kevin Smith | Variably flexible insertion device and method for variably flexing an insertion device |
US9814372B2 (en) * | 2007-06-27 | 2017-11-14 | Syntheon, Llc | Torque-transmitting, variably-flexible, locking insertion device and method for operating the insertion device |
US20080071307A1 (en) | 2006-09-19 | 2008-03-20 | Cook Incorporated | Apparatus and methods for in situ embolic protection |
US9107736B2 (en) * | 2006-12-06 | 2015-08-18 | Abbott Cardiovascular Systems Inc. | Highly trackable balloon catheter system and method for collapsing an expanded medical device |
US9901434B2 (en) | 2007-02-27 | 2018-02-27 | Cook Medical Technologies Llc | Embolic protection device including a Z-stent waist band |
US8252018B2 (en) | 2007-09-14 | 2012-08-28 | Cook Medical Technologies Llc | Helical embolic protection device |
US9138307B2 (en) | 2007-09-14 | 2015-09-22 | Cook Medical Technologies Llc | Expandable device for treatment of a stricture in a body vessel |
US8419748B2 (en) | 2007-09-14 | 2013-04-16 | Cook Medical Technologies Llc | Helical thrombus removal device |
US9597172B2 (en) | 2007-09-28 | 2017-03-21 | W. L. Gore & Associates, Inc. | Retrieval catheter |
US8694078B2 (en) * | 2008-09-04 | 2014-04-08 | Freedom Medi-Tech Ventures Llc | Method and device for inserting electrical leads |
JP5584687B2 (en) * | 2008-09-18 | 2014-09-03 | アクラレント インコーポレイテッド | Method and apparatus for treating ear, nose and throat disorders |
US8388644B2 (en) | 2008-12-29 | 2013-03-05 | Cook Medical Technologies Llc | Embolic protection device and method of use |
US8696698B2 (en) | 2009-12-02 | 2014-04-15 | Surefire Medical, Inc. | Microvalve protection device and method of use for protection against embolization agent reflux |
US9539081B2 (en) | 2009-12-02 | 2017-01-10 | Surefire Medical, Inc. | Method of operating a microvalve protection device |
US8500775B2 (en) | 2009-12-02 | 2013-08-06 | Surefire Medical, Inc. | Protection device and method against embolization agent reflux |
US9770319B2 (en) | 2010-12-01 | 2017-09-26 | Surefire Medical, Inc. | Closed tip dynamic microvalve protection device |
US20120172964A1 (en) * | 2010-12-30 | 2012-07-05 | Boston Scientific Scimed, Inc. | Stent Loading and Delivery Device Having a Loading Basket Lock Mechanism |
WO2013036900A1 (en) | 2011-09-10 | 2013-03-14 | Cook Medical Technologies Llc | Control handles for medical devices |
US9089668B2 (en) | 2011-09-28 | 2015-07-28 | Surefire Medical, Inc. | Flow directional infusion device |
US9089341B2 (en) | 2012-02-28 | 2015-07-28 | Surefire Medical, Inc. | Renal nerve neuromodulation device |
US10349958B2 (en) | 2012-03-27 | 2019-07-16 | Cook Medical Technologies Llc | Lithotripsy probes and methods for performing lithotripsy |
US9108030B2 (en) * | 2013-03-14 | 2015-08-18 | Covidien Lp | Fluid delivery catheter with pressure-actuating needle deployment and retraction |
US9782247B2 (en) * | 2014-02-18 | 2017-10-10 | Cook Medical Technologies, LLC | Flexible embolic double filter |
US9579149B2 (en) | 2014-03-13 | 2017-02-28 | Medtronic Ardian Luxembourg S.A.R.L. | Low profile catheter assemblies and associated systems and methods |
US9968740B2 (en) | 2014-03-25 | 2018-05-15 | Surefire Medical, Inc. | Closed tip dynamic microvalve protection device |
US9889031B1 (en) | 2014-03-25 | 2018-02-13 | Surefire Medical, Inc. | Method of gastric artery embolization |
US10238845B2 (en) * | 2014-09-19 | 2019-03-26 | Acclarent, Inc. | Balloon catheter assembly |
US20160287839A1 (en) | 2015-03-31 | 2016-10-06 | Surefire Medical, Inc. | Apparatus and Method for Infusing an Immunotherapy Agent to a Solid Tumor for Treatment |
US10252035B2 (en) | 2015-12-07 | 2019-04-09 | Cook Medical Techonologies Llc | Rotatable control handles for medical devices and methods of using rotatable control handles |
US10780250B1 (en) | 2016-09-19 | 2020-09-22 | Surefire Medical, Inc. | System and method for selective pressure-controlled therapeutic delivery |
US11400263B1 (en) | 2016-09-19 | 2022-08-02 | Trisalus Life Sciences, Inc. | System and method for selective pressure-controlled therapeutic delivery |
US10588636B2 (en) | 2017-03-20 | 2020-03-17 | Surefire Medical, Inc. | Dynamic reconfigurable microvalve protection device |
US10751507B2 (en) | 2017-04-10 | 2020-08-25 | Syn Variflex, Llc | Thermally controlled variable-flexibility catheters and methods of manufacturing same |
CN112423704A (en) | 2018-05-09 | 2021-02-26 | 波士顿科学国际有限公司 | Foot entering embolism filtering sleeve |
US11850398B2 (en) | 2018-08-01 | 2023-12-26 | Trisalus Life Sciences, Inc. | Systems and methods for pressure-facilitated therapeutic agent delivery |
US11338117B2 (en) | 2018-10-08 | 2022-05-24 | Trisalus Life Sciences, Inc. | Implantable dual pathway therapeutic agent delivery port |
US20220387199A1 (en) * | 2021-06-03 | 2022-12-08 | Boston Scientific Scimed, Inc. | Devices, systems, and methods for ureteral stents |
WO2023200925A1 (en) * | 2022-04-14 | 2023-10-19 | Edwards Lifesciences Corporation | Delivery apparatus for a docking device |
Citations (89)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4494531A (en) * | 1982-12-06 | 1985-01-22 | Cook, Incorporated | Expandable blood clot filter |
US4643184A (en) * | 1982-09-29 | 1987-02-17 | Mobin Uddin Kazi | Embolus trap |
US4723549A (en) * | 1986-09-18 | 1988-02-09 | Wholey Mark H | Method and apparatus for dilating blood vessels |
US4794928A (en) * | 1987-06-10 | 1989-01-03 | Kletschka Harold D | Angioplasty device and method of using the same |
US4990156A (en) * | 1988-06-21 | 1991-02-05 | Lefebvre Jean Marie | Filter for medical use |
US5383887A (en) * | 1992-12-28 | 1995-01-24 | Celsa Lg | Device for selectively forming a temporary blood filter |
US5490859A (en) * | 1992-11-13 | 1996-02-13 | Scimed Life Systems, Inc. | Expandable intravascular occlusion material removal devices and methods of use |
US5601595A (en) * | 1994-10-25 | 1997-02-11 | Scimed Life Systems, Inc. | Remobable thrombus filter |
US5720764A (en) * | 1994-06-11 | 1998-02-24 | Naderlinger; Eduard | Vena cava thrombus filter |
US5868708A (en) * | 1997-05-07 | 1999-02-09 | Applied Medical Resources Corporation | Balloon catheter apparatus and method |
US6013093A (en) * | 1995-11-28 | 2000-01-11 | Boston Scientific Corporation | Blood clot filtering |
US6022336A (en) * | 1996-05-20 | 2000-02-08 | Percusurge, Inc. | Catheter system for emboli containment |
US6027520A (en) * | 1997-05-08 | 2000-02-22 | Embol-X, Inc. | Percutaneous catheter and guidewire having filter and medical device deployment capabilities |
US6168604B1 (en) * | 1995-10-06 | 2001-01-02 | Metamorphic Surgical Devices, Llc | Guide wire device for removing solid objects from body canals |
US6168579B1 (en) * | 1999-08-04 | 2001-01-02 | Scimed Life Systems, Inc. | Filter flush system and methods of use |
US6171328B1 (en) * | 1999-11-09 | 2001-01-09 | Embol-X, Inc. | Intravascular catheter filter with interlocking petal design and methods of use |
US6171327B1 (en) * | 1999-02-24 | 2001-01-09 | Scimed Life Systems, Inc. | Intravascular filter and method |
US6174318B1 (en) * | 1998-04-23 | 2001-01-16 | Scimed Life Systems, Inc. | Basket with one or more moveable legs |
US6176849B1 (en) * | 1999-05-21 | 2001-01-23 | Scimed Life Systems, Inc. | Hydrophilic lubricity coating for medical devices comprising a hydrophobic top coat |
US6179860B1 (en) * | 1998-08-19 | 2001-01-30 | Artemis Medical, Inc. | Target tissue localization device and method |
US6179859B1 (en) * | 1999-07-16 | 2001-01-30 | Baff Llc | Emboli filtration system and methods of use |
US6179861B1 (en) * | 1999-07-30 | 2001-01-30 | Incept Llc | Vascular device having one or more articulation regions and methods of use |
US6187025B1 (en) * | 1999-09-09 | 2001-02-13 | Noble-Met, Ltd. | Vascular filter |
US6336934B1 (en) * | 1997-11-07 | 2002-01-08 | Salviac Limited | Embolic protection device |
US6340465B1 (en) * | 1999-04-12 | 2002-01-22 | Edwards Lifesciences Corp. | Lubricious coatings for medical devices |
US6340364B2 (en) * | 1999-10-22 | 2002-01-22 | Nozomu Kanesaka | Vascular filtering device |
US6346116B1 (en) * | 1999-08-03 | 2002-02-12 | Medtronic Ave, Inc. | Distal protection device |
US6348056B1 (en) * | 1999-08-06 | 2002-02-19 | Scimed Life Systems, Inc. | Medical retrieval device with releasable retrieval basket |
US20030004536A1 (en) * | 2001-06-29 | 2003-01-02 | Boylan John F. | Variable thickness embolic filtering devices and method of manufacturing the same |
US20030004540A1 (en) * | 2001-07-02 | 2003-01-02 | Rubicon Medical, Inc. | Methods, systems, and devices for deploying an embolic protection filter |
US20030004541A1 (en) * | 2001-07-02 | 2003-01-02 | Rubicon Medical, Inc. | Methods, systems, and devices for providing embolic protection |
US20030004539A1 (en) * | 2001-07-02 | 2003-01-02 | Linder Richard J. | Methods, systems, and devices for providing embolic protection and removing embolic material |
US20030004537A1 (en) * | 2001-06-29 | 2003-01-02 | Boyle William J. | Delivery and recovery sheaths for medical devices |
US20030009188A1 (en) * | 2001-07-02 | 2003-01-09 | Linder Richard J. | Methods, systems, and devices for deploying a filter from a filter device |
US6506203B1 (en) * | 2000-12-19 | 2003-01-14 | Advanced Cardiovascular Systems, Inc. | Low profile sheathless embolic protection system |
US6506205B2 (en) * | 2001-02-20 | 2003-01-14 | Mark Goldberg | Blood clot filtering system |
US20030018354A1 (en) * | 2001-07-18 | 2003-01-23 | Roth Noah M. | Integral vascular filter system with core wire activation |
US6511497B1 (en) * | 1999-09-14 | 2003-01-28 | Cormedics Gmbh | Vascular filter system |
US6511492B1 (en) * | 1998-05-01 | 2003-01-28 | Microvention, Inc. | Embolectomy catheters and methods for treating stroke and other small vessel thromboembolic disorders |
US6511503B1 (en) * | 1999-12-30 | 2003-01-28 | Advanced Cardiovascular Systems, Inc. | Catheter apparatus for treating occluded vessels and filtering embolic debris and method of use |
US6511496B1 (en) * | 2000-09-12 | 2003-01-28 | Advanced Cardiovascular Systems, Inc. | Embolic protection device for use in interventional procedures |
US20030023265A1 (en) * | 2001-07-13 | 2003-01-30 | Forber Simon John | Vascular protection system |
US6514273B1 (en) * | 2000-03-22 | 2003-02-04 | Endovascular Technologies, Inc. | Device for removal of thrombus through physiological adhesion |
US6517559B1 (en) * | 1999-05-03 | 2003-02-11 | O'connell Paul T. | Blood filter and method for treating vascular disease |
US6517550B1 (en) * | 2000-02-02 | 2003-02-11 | Board Of Regents, The University Of Texas System | Foreign body retrieval device |
US20030032977A1 (en) * | 1997-11-07 | 2003-02-13 | Salviac Limited | Filter element with retractable guidewire tip |
US20030032941A1 (en) * | 2001-08-13 | 2003-02-13 | Boyle William J. | Convertible delivery systems for medical devices |
US6520978B1 (en) * | 2000-05-15 | 2003-02-18 | Intratherapeutics, Inc. | Emboli filter |
US20030040772A1 (en) * | 1999-02-01 | 2003-02-27 | Hideki Hyodoh | Delivery devices |
US20040002730A1 (en) * | 2002-06-26 | 2004-01-01 | Denison Andy E. | Embolic filtering devices for bifurcated vessels |
US6673090B2 (en) * | 1999-08-04 | 2004-01-06 | Scimed Life Systems, Inc. | Percutaneous catheter and guidewire for filtering during ablation of myocardial or vascular tissue |
US20040006364A1 (en) * | 1997-06-02 | 2004-01-08 | Ladd William Gregory | Apparatus for trapping emboli |
US20040006366A1 (en) * | 2001-08-31 | 2004-01-08 | Huter Benjamin C. | Hinged short cage for an embolic protection device |
US20040006361A1 (en) * | 2002-06-27 | 2004-01-08 | Boyle William J. | Support structures for embolic filtering devices |
US20040006367A1 (en) * | 2001-06-12 | 2004-01-08 | Krik Johnson | Emboli extraction catheter and vascular filter system |
US20040006368A1 (en) * | 1994-07-08 | 2004-01-08 | Ev3 Inc. | Method and device for filtering body fluid |
US20040006365A1 (en) * | 2002-05-13 | 2004-01-08 | Salviac Limited | Embolic protection system |
US6676666B2 (en) * | 1999-01-11 | 2004-01-13 | Scimed Life Systems, Inc | Medical device delivery system with two sheaths |
US6676682B1 (en) * | 1997-05-08 | 2004-01-13 | Scimed Life Systems, Inc. | Percutaneous catheter and guidewire having filter and medical device deployment capabilities |
US6679903B2 (en) * | 1998-12-15 | 2004-01-20 | Micrus Corporation | Intravascular device push wire delivery system |
US6679902B1 (en) * | 2000-07-19 | 2004-01-20 | Advanced Cardiovascular Systems, Inc. | Reduced profile delivery sheath for use in interventional procedures |
US20040015184A1 (en) * | 2000-12-21 | 2004-01-22 | Boyle William J. | Vessel occlusion device for embolic protection system |
US6682546B2 (en) * | 1994-07-08 | 2004-01-27 | Aga Medical Corporation | Intravascular occlusion devices |
US20040019363A1 (en) * | 2000-10-05 | 2004-01-29 | Scimed Life Systems, Inc. | Filter delivery and retrieval device |
US6689151B2 (en) * | 2001-01-25 | 2004-02-10 | Scimed Life Systems, Inc. | Variable wall thickness for delivery sheath housing |
US6692513B2 (en) * | 2000-06-30 | 2004-02-17 | Viacor, Inc. | Intravascular filter with debris entrapment mechanism |
US6837898B2 (en) * | 2001-11-30 | 2005-01-04 | Advanced Cardiovascular Systems, Inc. | Intraluminal delivery system for an attachable treatment device |
US20050004597A1 (en) * | 2003-04-29 | 2005-01-06 | Mcguckin James F. | Distal protection device |
US20050004594A1 (en) * | 2003-07-02 | 2005-01-06 | Jeffrey Nool | Devices and methods for aspirating from filters |
US20050004595A1 (en) * | 2003-02-27 | 2005-01-06 | Boyle William J. | Embolic filtering devices |
US6840950B2 (en) * | 2001-02-20 | 2005-01-11 | Scimed Life Systems, Inc. | Low profile emboli capture device |
US20050010247A1 (en) * | 2002-03-08 | 2005-01-13 | Ev3 Inc. | Distal protection devices having controllable wire motion |
US20050010245A1 (en) * | 2003-07-10 | 2005-01-13 | Lawrence Wasicek | Embolic protection filtering device |
US6843798B2 (en) * | 1999-08-27 | 2005-01-18 | Ev3 Inc. | Slideable vascular filter |
US6846316B2 (en) * | 1999-12-10 | 2005-01-25 | Scimed Life Systems, Inc. | Systems and methods for detaching a covering from an implantable medical device |
US6846317B1 (en) * | 1999-06-14 | 2005-01-25 | Aln | Kit for removing a blood vessel filter |
US20050021075A1 (en) * | 2002-12-30 | 2005-01-27 | Bonnette Michael J. | Guidewire having deployable sheathless protective filter |
US6887256B2 (en) * | 1997-11-07 | 2005-05-03 | Salviac Limited | Embolic protection system |
US6983450B2 (en) * | 1997-06-30 | 2006-01-03 | Texas Instruments Incorporated | User configurable operating system |
US20060004405A1 (en) * | 2001-10-18 | 2006-01-05 | Amr Salahieh | Vascular embolic filter devices and methods of use therefor |
US6986778B2 (en) * | 1996-05-20 | 2006-01-17 | Medtronic Vascular, Inc. | Exchange method for emboli containment |
US20060015139A1 (en) * | 1999-11-15 | 2006-01-19 | Ross Tsugita | Guidewire filter and methods of use |
US20060015138A1 (en) * | 2004-07-19 | 2006-01-19 | Michael Gertner | Emboli diverting devices created by microfabricated means |
US6989021B2 (en) * | 2002-10-31 | 2006-01-24 | Cordis Corporation | Retrievable medical filter |
US6989027B2 (en) * | 2003-04-30 | 2006-01-24 | Medtronic Vascular Inc. | Percutaneously delivered temporary valve assembly |
US20060020286A1 (en) * | 2004-07-22 | 2006-01-26 | Volker Niermann | Device for filtering blood in a vessel with helical elements |
US20060020285A1 (en) * | 2004-07-22 | 2006-01-26 | Volker Niermann | Method for filtering blood in a vessel with helical elements |
US6991641B2 (en) * | 1999-02-12 | 2006-01-31 | Cordis Corporation | Low profile vascular filter system |
US6991642B2 (en) * | 2001-03-06 | 2006-01-31 | Scimed Life Systems, Inc. | Wire and lock mechanism |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6458263A (en) * | 1987-08-28 | 1989-03-06 | Terumo Corp | Intravascular introducing catheter |
CA2110380C (en) * | 1991-06-17 | 1999-01-12 | Rebecca Copenhaver Gibbs | Endoscopic extraction device having composite wire construction |
ES2109969T3 (en) * | 1991-10-11 | 1998-02-01 | Angiomed Ag | PROCEDURE FOR THE DILATION OF A STENOSIS. |
JPH10503411A (en) * | 1995-05-25 | 1998-03-31 | メドトロニック・インコーポレーテッド | Stent assembly and method of using the same |
WO1999039648A1 (en) * | 1998-02-10 | 1999-08-12 | Dubrul William R | Entrapping apparatus and method for use |
US6120522A (en) * | 1998-08-27 | 2000-09-19 | Scimed Life Systems, Inc. | Self-expanding stent delivery catheter |
US6277139B1 (en) * | 1999-04-01 | 2001-08-21 | Scion Cardio-Vascular, Inc. | Vascular protection and embolic material retriever |
US6277138B1 (en) * | 1999-08-17 | 2001-08-21 | Scion Cardio-Vascular, Inc. | Filter for embolic material mounted on expandable frame |
US6458137B1 (en) * | 1999-05-26 | 2002-10-01 | Cook Incorporated | Assembly for positioning an embolization coil in the vascular system and a method of introducing a detachable embolization coil |
US6454775B1 (en) * | 1999-12-06 | 2002-09-24 | Bacchus Vascular Inc. | Systems and methods for clot disruption and retrieval |
US6264671B1 (en) * | 1999-11-15 | 2001-07-24 | Advanced Cardiovascular Systems, Inc. | Stent delivery catheter and method of use |
US6383206B1 (en) * | 1999-12-30 | 2002-05-07 | Advanced Cardiovascular Systems, Inc. | Embolic protection system and method including filtering elements |
US6245100B1 (en) * | 2000-02-01 | 2001-06-12 | Cordis Corporation | Method for making a self-expanding stent-graft |
US6306106B1 (en) * | 2000-06-19 | 2001-10-23 | Advanced Cardiovascular Systems, Inc. | Diagnostic sheath for reduced embolic risk |
US6394978B1 (en) * | 2000-08-09 | 2002-05-28 | Advanced Cardiovascular Systems, Inc. | Interventional procedure expandable balloon expansion enabling system and method |
US6485501B1 (en) * | 2000-08-11 | 2002-11-26 | Cordis Corporation | Vascular filter system with guidewire and capture mechanism |
US6494885B1 (en) * | 2001-01-17 | 2002-12-17 | Avtar S. Dhindsa | Endoscopic stone extraction device with rotatable basket |
US6428552B1 (en) * | 2001-01-22 | 2002-08-06 | Lumend, Inc. | Method and apparatus for crossing intravascular occlusions |
US6428559B1 (en) * | 2001-04-03 | 2002-08-06 | Cordis Corporation | Removable, variable-diameter vascular filter system |
-
2001
- 2001-04-30 US US09/845,758 patent/US6645223B2/en not_active Expired - Lifetime
-
2003
- 2003-09-15 US US10/662,697 patent/US20040088002A1/en not_active Abandoned
Patent Citations (100)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4643184A (en) * | 1982-09-29 | 1987-02-17 | Mobin Uddin Kazi | Embolus trap |
US4494531A (en) * | 1982-12-06 | 1985-01-22 | Cook, Incorporated | Expandable blood clot filter |
US4723549A (en) * | 1986-09-18 | 1988-02-09 | Wholey Mark H | Method and apparatus for dilating blood vessels |
US4794928A (en) * | 1987-06-10 | 1989-01-03 | Kletschka Harold D | Angioplasty device and method of using the same |
US4990156A (en) * | 1988-06-21 | 1991-02-05 | Lefebvre Jean Marie | Filter for medical use |
US5490859A (en) * | 1992-11-13 | 1996-02-13 | Scimed Life Systems, Inc. | Expandable intravascular occlusion material removal devices and methods of use |
US5383887A (en) * | 1992-12-28 | 1995-01-24 | Celsa Lg | Device for selectively forming a temporary blood filter |
US5720764A (en) * | 1994-06-11 | 1998-02-24 | Naderlinger; Eduard | Vena cava thrombus filter |
US6682546B2 (en) * | 1994-07-08 | 2004-01-27 | Aga Medical Corporation | Intravascular occlusion devices |
US20040006368A1 (en) * | 1994-07-08 | 2004-01-08 | Ev3 Inc. | Method and device for filtering body fluid |
US20050021076A1 (en) * | 1994-07-08 | 2005-01-27 | Ev3 Inc. | Method and device for filtering body fluid |
US5601595A (en) * | 1994-10-25 | 1997-02-11 | Scimed Life Systems, Inc. | Remobable thrombus filter |
US6168604B1 (en) * | 1995-10-06 | 2001-01-02 | Metamorphic Surgical Devices, Llc | Guide wire device for removing solid objects from body canals |
US6013093A (en) * | 1995-11-28 | 2000-01-11 | Boston Scientific Corporation | Blood clot filtering |
US6022336A (en) * | 1996-05-20 | 2000-02-08 | Percusurge, Inc. | Catheter system for emboli containment |
US6986778B2 (en) * | 1996-05-20 | 2006-01-17 | Medtronic Vascular, Inc. | Exchange method for emboli containment |
US5868708A (en) * | 1997-05-07 | 1999-02-09 | Applied Medical Resources Corporation | Balloon catheter apparatus and method |
US6676682B1 (en) * | 1997-05-08 | 2004-01-13 | Scimed Life Systems, Inc. | Percutaneous catheter and guidewire having filter and medical device deployment capabilities |
US6027520A (en) * | 1997-05-08 | 2000-02-22 | Embol-X, Inc. | Percutaneous catheter and guidewire having filter and medical device deployment capabilities |
US20040006364A1 (en) * | 1997-06-02 | 2004-01-08 | Ladd William Gregory | Apparatus for trapping emboli |
US6983450B2 (en) * | 1997-06-30 | 2006-01-03 | Texas Instruments Incorporated | User configurable operating system |
US20040034385A1 (en) * | 1997-11-07 | 2004-02-19 | Paul Gilson | Embolic protection device |
US20040039411A1 (en) * | 1997-11-07 | 2004-02-26 | Paul Gilson | Embolic protection device |
US20030032977A1 (en) * | 1997-11-07 | 2003-02-13 | Salviac Limited | Filter element with retractable guidewire tip |
US6336934B1 (en) * | 1997-11-07 | 2002-01-08 | Salviac Limited | Embolic protection device |
US20030009189A1 (en) * | 1997-11-07 | 2003-01-09 | Salviac Limited | Embolic protection device |
US6887256B2 (en) * | 1997-11-07 | 2005-05-03 | Salviac Limited | Embolic protection system |
US20060004403A1 (en) * | 1997-11-07 | 2006-01-05 | Salviac Limited | Embolic protection system |
US6174318B1 (en) * | 1998-04-23 | 2001-01-16 | Scimed Life Systems, Inc. | Basket with one or more moveable legs |
US6685722B1 (en) * | 1998-05-01 | 2004-02-03 | Microvention, Inc. | Embolectomy catheters and methods for treating stroke and other small vessel thromboembolic disorders |
US6511492B1 (en) * | 1998-05-01 | 2003-01-28 | Microvention, Inc. | Embolectomy catheters and methods for treating stroke and other small vessel thromboembolic disorders |
US6179860B1 (en) * | 1998-08-19 | 2001-01-30 | Artemis Medical, Inc. | Target tissue localization device and method |
US6679903B2 (en) * | 1998-12-15 | 2004-01-20 | Micrus Corporation | Intravascular device push wire delivery system |
US6676666B2 (en) * | 1999-01-11 | 2004-01-13 | Scimed Life Systems, Inc | Medical device delivery system with two sheaths |
US20030040772A1 (en) * | 1999-02-01 | 2003-02-27 | Hideki Hyodoh | Delivery devices |
US6991641B2 (en) * | 1999-02-12 | 2006-01-31 | Cordis Corporation | Low profile vascular filter system |
US6171327B1 (en) * | 1999-02-24 | 2001-01-09 | Scimed Life Systems, Inc. | Intravascular filter and method |
US6340465B1 (en) * | 1999-04-12 | 2002-01-22 | Edwards Lifesciences Corp. | Lubricious coatings for medical devices |
US6517559B1 (en) * | 1999-05-03 | 2003-02-11 | O'connell Paul T. | Blood filter and method for treating vascular disease |
US6176849B1 (en) * | 1999-05-21 | 2001-01-23 | Scimed Life Systems, Inc. | Hydrophilic lubricity coating for medical devices comprising a hydrophobic top coat |
US6846317B1 (en) * | 1999-06-14 | 2005-01-25 | Aln | Kit for removing a blood vessel filter |
US6179859B1 (en) * | 1999-07-16 | 2001-01-30 | Baff Llc | Emboli filtration system and methods of use |
US6179861B1 (en) * | 1999-07-30 | 2001-01-30 | Incept Llc | Vascular device having one or more articulation regions and methods of use |
US6346116B1 (en) * | 1999-08-03 | 2002-02-12 | Medtronic Ave, Inc. | Distal protection device |
US6168579B1 (en) * | 1999-08-04 | 2001-01-02 | Scimed Life Systems, Inc. | Filter flush system and methods of use |
US6673090B2 (en) * | 1999-08-04 | 2004-01-06 | Scimed Life Systems, Inc. | Percutaneous catheter and guidewire for filtering during ablation of myocardial or vascular tissue |
US6348056B1 (en) * | 1999-08-06 | 2002-02-19 | Scimed Life Systems, Inc. | Medical retrieval device with releasable retrieval basket |
US6843798B2 (en) * | 1999-08-27 | 2005-01-18 | Ev3 Inc. | Slideable vascular filter |
US6187025B1 (en) * | 1999-09-09 | 2001-02-13 | Noble-Met, Ltd. | Vascular filter |
US6511497B1 (en) * | 1999-09-14 | 2003-01-28 | Cormedics Gmbh | Vascular filter system |
US6340364B2 (en) * | 1999-10-22 | 2002-01-22 | Nozomu Kanesaka | Vascular filtering device |
US6676683B1 (en) * | 1999-11-09 | 2004-01-13 | Edwards Lifescience Corporation | Intravascular catheter filter with interlocking petal design and methods of use |
US6171328B1 (en) * | 1999-11-09 | 2001-01-09 | Embol-X, Inc. | Intravascular catheter filter with interlocking petal design and methods of use |
US20060015139A1 (en) * | 1999-11-15 | 2006-01-19 | Ross Tsugita | Guidewire filter and methods of use |
US6846316B2 (en) * | 1999-12-10 | 2005-01-25 | Scimed Life Systems, Inc. | Systems and methods for detaching a covering from an implantable medical device |
US20030028238A1 (en) * | 1999-12-30 | 2003-02-06 | Burkett David H. | Catheter apparatus for treating occluded vessels and filtering embolic debris and method of use |
US6511503B1 (en) * | 1999-12-30 | 2003-01-28 | Advanced Cardiovascular Systems, Inc. | Catheter apparatus for treating occluded vessels and filtering embolic debris and method of use |
US6517550B1 (en) * | 2000-02-02 | 2003-02-11 | Board Of Regents, The University Of Texas System | Foreign body retrieval device |
US6514273B1 (en) * | 2000-03-22 | 2003-02-04 | Endovascular Technologies, Inc. | Device for removal of thrombus through physiological adhesion |
US6520978B1 (en) * | 2000-05-15 | 2003-02-18 | Intratherapeutics, Inc. | Emboli filter |
US20050010246A1 (en) * | 2000-06-30 | 2005-01-13 | Streeter Richard B. | Intravascular filter with debris entrapment mechanism |
US6692513B2 (en) * | 2000-06-30 | 2004-02-17 | Viacor, Inc. | Intravascular filter with debris entrapment mechanism |
US6679902B1 (en) * | 2000-07-19 | 2004-01-20 | Advanced Cardiovascular Systems, Inc. | Reduced profile delivery sheath for use in interventional procedures |
US6511496B1 (en) * | 2000-09-12 | 2003-01-28 | Advanced Cardiovascular Systems, Inc. | Embolic protection device for use in interventional procedures |
US20040019363A1 (en) * | 2000-10-05 | 2004-01-29 | Scimed Life Systems, Inc. | Filter delivery and retrieval device |
US6506203B1 (en) * | 2000-12-19 | 2003-01-14 | Advanced Cardiovascular Systems, Inc. | Low profile sheathless embolic protection system |
US20040015184A1 (en) * | 2000-12-21 | 2004-01-22 | Boyle William J. | Vessel occlusion device for embolic protection system |
US6689151B2 (en) * | 2001-01-25 | 2004-02-10 | Scimed Life Systems, Inc. | Variable wall thickness for delivery sheath housing |
US6840950B2 (en) * | 2001-02-20 | 2005-01-11 | Scimed Life Systems, Inc. | Low profile emboli capture device |
US6506205B2 (en) * | 2001-02-20 | 2003-01-14 | Mark Goldberg | Blood clot filtering system |
US6991642B2 (en) * | 2001-03-06 | 2006-01-31 | Scimed Life Systems, Inc. | Wire and lock mechanism |
US20040006367A1 (en) * | 2001-06-12 | 2004-01-08 | Krik Johnson | Emboli extraction catheter and vascular filter system |
US20030004536A1 (en) * | 2001-06-29 | 2003-01-02 | Boylan John F. | Variable thickness embolic filtering devices and method of manufacturing the same |
US20030004537A1 (en) * | 2001-06-29 | 2003-01-02 | Boyle William J. | Delivery and recovery sheaths for medical devices |
US20030004541A1 (en) * | 2001-07-02 | 2003-01-02 | Rubicon Medical, Inc. | Methods, systems, and devices for providing embolic protection |
US20030004539A1 (en) * | 2001-07-02 | 2003-01-02 | Linder Richard J. | Methods, systems, and devices for providing embolic protection and removing embolic material |
US20030004540A1 (en) * | 2001-07-02 | 2003-01-02 | Rubicon Medical, Inc. | Methods, systems, and devices for deploying an embolic protection filter |
US20030009188A1 (en) * | 2001-07-02 | 2003-01-09 | Linder Richard J. | Methods, systems, and devices for deploying a filter from a filter device |
US20060015141A1 (en) * | 2001-07-02 | 2006-01-19 | Linder Richard J | Methods, systems, and devices for deploying a filter from a filter device |
US20030023265A1 (en) * | 2001-07-13 | 2003-01-30 | Forber Simon John | Vascular protection system |
US20030018354A1 (en) * | 2001-07-18 | 2003-01-23 | Roth Noah M. | Integral vascular filter system with core wire activation |
US20030015206A1 (en) * | 2001-07-18 | 2003-01-23 | Roth Noah M. | Integral vascular filter system |
US20030032941A1 (en) * | 2001-08-13 | 2003-02-13 | Boyle William J. | Convertible delivery systems for medical devices |
US20040006366A1 (en) * | 2001-08-31 | 2004-01-08 | Huter Benjamin C. | Hinged short cage for an embolic protection device |
US20060004405A1 (en) * | 2001-10-18 | 2006-01-05 | Amr Salahieh | Vascular embolic filter devices and methods of use therefor |
US6837898B2 (en) * | 2001-11-30 | 2005-01-04 | Advanced Cardiovascular Systems, Inc. | Intraluminal delivery system for an attachable treatment device |
US20050010247A1 (en) * | 2002-03-08 | 2005-01-13 | Ev3 Inc. | Distal protection devices having controllable wire motion |
US20040006365A1 (en) * | 2002-05-13 | 2004-01-08 | Salviac Limited | Embolic protection system |
US20040002730A1 (en) * | 2002-06-26 | 2004-01-01 | Denison Andy E. | Embolic filtering devices for bifurcated vessels |
US20040006361A1 (en) * | 2002-06-27 | 2004-01-08 | Boyle William J. | Support structures for embolic filtering devices |
US6989021B2 (en) * | 2002-10-31 | 2006-01-24 | Cordis Corporation | Retrievable medical filter |
US20050021075A1 (en) * | 2002-12-30 | 2005-01-27 | Bonnette Michael J. | Guidewire having deployable sheathless protective filter |
US20050004595A1 (en) * | 2003-02-27 | 2005-01-06 | Boyle William J. | Embolic filtering devices |
US20050004597A1 (en) * | 2003-04-29 | 2005-01-06 | Mcguckin James F. | Distal protection device |
US6989027B2 (en) * | 2003-04-30 | 2006-01-24 | Medtronic Vascular Inc. | Percutaneously delivered temporary valve assembly |
US20050004594A1 (en) * | 2003-07-02 | 2005-01-06 | Jeffrey Nool | Devices and methods for aspirating from filters |
US20050010245A1 (en) * | 2003-07-10 | 2005-01-13 | Lawrence Wasicek | Embolic protection filtering device |
US20060015138A1 (en) * | 2004-07-19 | 2006-01-19 | Michael Gertner | Emboli diverting devices created by microfabricated means |
US20060020286A1 (en) * | 2004-07-22 | 2006-01-26 | Volker Niermann | Device for filtering blood in a vessel with helical elements |
US20060020285A1 (en) * | 2004-07-22 | 2006-01-26 | Volker Niermann | Method for filtering blood in a vessel with helical elements |
Cited By (214)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8133251B2 (en) | 1998-09-25 | 2012-03-13 | C.R. Bard, Inc. | Removeable embolus blood clot filter and filter delivery unit |
US9615909B2 (en) | 1998-09-25 | 2017-04-11 | C.R. Bard, Inc. | Removable embolus blood clot filter and filter delivery unit |
US20050234503A1 (en) * | 1998-09-25 | 2005-10-20 | Ravenscroft Adrian C | Removeable embolus blood clot filter and filter delivery unit |
US9351821B2 (en) | 1998-09-25 | 2016-05-31 | C. R. Bard, Inc. | Removable embolus blood clot filter and filter delivery unit |
US8690906B2 (en) | 1998-09-25 | 2014-04-08 | C.R. Bard, Inc. | Removeable embolus blood clot filter and filter delivery unit |
US8142442B2 (en) | 1999-12-23 | 2012-03-27 | Abbott Laboratories | Snare |
US8137377B2 (en) | 1999-12-23 | 2012-03-20 | Abbott Laboratories | Embolic basket |
US7780694B2 (en) | 1999-12-23 | 2010-08-24 | Advanced Cardiovascular Systems, Inc. | Intravascular device and system |
US7918820B2 (en) | 1999-12-30 | 2011-04-05 | Advanced Cardiovascular Systems, Inc. | Device for, and method of, blocking emboli in vessels such as blood arteries |
US8845583B2 (en) | 1999-12-30 | 2014-09-30 | Abbott Cardiovascular Systems Inc. | Embolic protection devices |
US8177791B2 (en) | 2000-07-13 | 2012-05-15 | Abbott Cardiovascular Systems Inc. | Embolic protection guide wire |
US7931666B2 (en) | 2000-12-19 | 2011-04-26 | Advanced Cardiovascular Systems, Inc. | Sheathless embolic protection system |
US7662166B2 (en) | 2000-12-19 | 2010-02-16 | Advanced Cardiocascular Systems, Inc. | Sheathless embolic protection system |
US7959646B2 (en) | 2001-06-29 | 2011-06-14 | Abbott Cardiovascular Systems Inc. | Filter device for embolic protection systems |
US8016854B2 (en) | 2001-06-29 | 2011-09-13 | Abbott Cardiovascular Systems Inc. | Variable thickness embolic filtering devices and methods of manufacturing the same |
US8052712B2 (en) | 2001-07-02 | 2011-11-08 | Rubicon Medical, Inc. | Methods, systems, and devices for deploying a filter from a filter device |
US7959647B2 (en) | 2001-08-30 | 2011-06-14 | Abbott Cardiovascular Systems Inc. | Self furling umbrella frame for carotid filter |
US7842064B2 (en) | 2001-08-31 | 2010-11-30 | Advanced Cardiovascular Systems, Inc. | Hinged short cage for an embolic protection device |
US8262689B2 (en) | 2001-09-28 | 2012-09-11 | Advanced Cardiovascular Systems, Inc. | Embolic filtering devices |
US20050075663A1 (en) * | 2001-11-27 | 2005-04-07 | Boyle William J. | Offset proximal cage for embolic filtering devices |
US7972356B2 (en) | 2001-12-21 | 2011-07-05 | Abbott Cardiovascular Systems, Inc. | Flexible and conformable embolic filtering devices |
US20030120303A1 (en) * | 2001-12-21 | 2003-06-26 | Boyle William J. | Flexible and conformable embolic filtering devices |
US9204956B2 (en) | 2002-02-20 | 2015-12-08 | C. R. Bard, Inc. | IVC filter with translating hooks |
US9827040B2 (en) | 2002-04-08 | 2017-11-28 | Medtronic Adrian Luxembourg S.a.r.l. | Methods and apparatus for intravascularly-induced neuromodulation |
US10376311B2 (en) | 2002-04-08 | 2019-08-13 | Medtronic Ardian Luxembourg S.A.R.L. | Methods and apparatus for intravascularly-induced neuromodulation |
US10105180B2 (en) | 2002-04-08 | 2018-10-23 | Medtronic Ardian Luxembourg S.A.R.L. | Methods and apparatus for intravascularly-induced neuromodulation |
US9827041B2 (en) | 2002-04-08 | 2017-11-28 | Medtronic Ardian Luxembourg S.A.R.L. | Balloon catheter apparatuses for renal denervation |
US9757193B2 (en) | 2002-04-08 | 2017-09-12 | Medtronic Ardian Luxembourg S.A.R.L. | Balloon catheter apparatus for renal neuromodulation |
US10420606B2 (en) | 2002-04-08 | 2019-09-24 | Medtronic Ardian Luxembourg S.A.R.L. | Methods and apparatus for performing a non-continuous circumferential treatment of a body lumen |
US8029530B2 (en) | 2002-09-30 | 2011-10-04 | Abbott Cardiovascular Systems Inc. | Guide wire with embolic filtering attachment |
US7976560B2 (en) | 2002-09-30 | 2011-07-12 | Abbott Cardiovascular Systems Inc. | Embolic filtering devices |
US7815660B2 (en) | 2002-09-30 | 2010-10-19 | Advanced Cardivascular Systems, Inc. | Guide wire with embolic filtering attachment |
US7678131B2 (en) | 2002-10-31 | 2010-03-16 | Advanced Cardiovascular Systems, Inc. | Single-wire expandable cages for embolic filtering devices |
US7998145B2 (en) | 2002-11-22 | 2011-08-16 | Boston Scientific Scimed, Inc. | Selectively locking device |
US20070186596A1 (en) * | 2002-11-22 | 2007-08-16 | Boston Scientific Scimed, Inc. | Selectively locking device |
US8591540B2 (en) | 2003-02-27 | 2013-11-26 | Abbott Cardiovascular Systems Inc. | Embolic filtering devices |
US9510901B2 (en) | 2003-09-12 | 2016-12-06 | Vessix Vascular, Inc. | Selectable eccentric remodeling and/or ablation |
US10188457B2 (en) | 2003-09-12 | 2019-01-29 | Vessix Vascular, Inc. | Selectable eccentric remodeling and/or ablation |
US7699865B2 (en) | 2003-09-12 | 2010-04-20 | Rubicon Medical, Inc. | Actuating constraining mechanism |
US9125666B2 (en) | 2003-09-12 | 2015-09-08 | Vessix Vascular, Inc. | Selectable eccentric remodeling and/or ablation of atherosclerotic material |
US7892251B1 (en) | 2003-11-12 | 2011-02-22 | Advanced Cardiovascular Systems, Inc. | Component for delivering and locking a medical device to a guide wire |
US7879065B2 (en) | 2004-03-19 | 2011-02-01 | Advanced Cardiovascular Systems, Inc. | Locking component for an embolic filter assembly |
US7678129B1 (en) | 2004-03-19 | 2010-03-16 | Advanced Cardiovascular Systems, Inc. | Locking component for an embolic filter assembly |
US8308753B2 (en) | 2004-03-19 | 2012-11-13 | Advanced Cardiovascular Systems, Inc. | Locking component for an embolic filter assembly |
US8372109B2 (en) | 2004-08-04 | 2013-02-12 | C. R. Bard, Inc. | Non-entangling vena cava filter |
US8628556B2 (en) | 2004-08-04 | 2014-01-14 | C. R. Bard, Inc. | Non-entangling vena cava filter |
US11103339B2 (en) | 2004-08-04 | 2021-08-31 | C. R. Bard, Inc. | Non-entangling vena cava filter |
US9144484B2 (en) | 2004-08-04 | 2015-09-29 | C. R. Bard, Inc. | Non-entangling vena cava filter |
US7704267B2 (en) | 2004-08-04 | 2010-04-27 | C. R. Bard, Inc. | Non-entangling vena cava filter |
US9125667B2 (en) | 2004-09-10 | 2015-09-08 | Vessix Vascular, Inc. | System for inducing desirable temperature effects on body tissue |
US9713730B2 (en) | 2004-09-10 | 2017-07-25 | Boston Scientific Scimed, Inc. | Apparatus and method for treatment of in-stent restenosis |
US8939970B2 (en) | 2004-09-10 | 2015-01-27 | Vessix Vascular, Inc. | Tuned RF energy and electrical tissue characterization for selective treatment of target tissues |
US20060106417A1 (en) * | 2004-11-12 | 2006-05-18 | Tessmer Alexander W | Filter delivery system |
US7794473B2 (en) | 2004-11-12 | 2010-09-14 | C.R. Bard, Inc. | Filter delivery system |
US8992562B2 (en) | 2004-11-12 | 2015-03-31 | C.R. Bard, Inc. | Filter delivery system |
US10512531B2 (en) | 2004-11-12 | 2019-12-24 | C. R. Bard, Inc. | Filter delivery system |
US10350004B2 (en) | 2004-12-09 | 2019-07-16 | Twelve, Inc. | Intravascular treatment catheters |
US11272982B2 (en) | 2004-12-09 | 2022-03-15 | Twelve, Inc. | Intravascular treatment catheters |
US8267954B2 (en) | 2005-02-04 | 2012-09-18 | C. R. Bard, Inc. | Vascular filter with sensing capability |
US9259305B2 (en) | 2005-03-31 | 2016-02-16 | Abbott Cardiovascular Systems Inc. | Guide wire locking mechanism for rapid exchange and other catheter systems |
US9486355B2 (en) | 2005-05-03 | 2016-11-08 | Vessix Vascular, Inc. | Selective accumulation of energy with or without knowledge of tissue topography |
US8574261B2 (en) | 2005-05-12 | 2013-11-05 | C. R. Bard, Inc. | Removable embolus blood clot filter |
US10729527B2 (en) | 2005-05-12 | 2020-08-04 | C.R. Bard, Inc. | Removable embolus blood clot filter |
US10813738B2 (en) | 2005-05-12 | 2020-10-27 | C.R. Bard, Inc. | Tubular filter |
US9498318B2 (en) | 2005-05-12 | 2016-11-22 | C.R. Bard, Inc. | Removable embolus blood clot filter |
US7967838B2 (en) | 2005-05-12 | 2011-06-28 | C. R. Bard, Inc. | Removable embolus blood clot filter |
US11554006B2 (en) | 2005-05-12 | 2023-01-17 | C. R. Bard Inc. | Removable embolus blood clot filter |
US8613754B2 (en) | 2005-05-12 | 2013-12-24 | C. R. Bard, Inc. | Tubular filter |
US9017367B2 (en) | 2005-05-12 | 2015-04-28 | C. R. Bard, Inc. | Tubular filter |
US11730583B2 (en) | 2005-05-12 | 2023-08-22 | C.R. Band. Inc. | Tubular filter |
US9387063B2 (en) | 2005-08-09 | 2016-07-12 | C. R. Bard, Inc. | Embolus blood clot filter and delivery system |
US11517415B2 (en) | 2005-08-09 | 2022-12-06 | C.R. Bard, Inc. | Embolus blood clot filter and delivery system |
US8430903B2 (en) | 2005-08-09 | 2013-04-30 | C. R. Bard, Inc. | Embolus blood clot filter and delivery system |
US10492898B2 (en) | 2005-08-09 | 2019-12-03 | C.R. Bard, Inc. | Embolus blood clot filter and delivery system |
US8062327B2 (en) | 2005-08-09 | 2011-11-22 | C. R. Bard, Inc. | Embolus blood clot filter and delivery system |
US9131999B2 (en) | 2005-11-18 | 2015-09-15 | C.R. Bard Inc. | Vena cava filter with filament |
US10842608B2 (en) | 2005-11-18 | 2020-11-24 | C.R. Bard, Inc. | Vena cava filter with filament |
US10188496B2 (en) | 2006-05-02 | 2019-01-29 | C. R. Bard, Inc. | Vena cava filter formed from a sheet |
US9808300B2 (en) | 2006-05-02 | 2017-11-07 | Boston Scientific Scimed, Inc. | Control of arterial smooth muscle tone |
US10980626B2 (en) | 2006-05-02 | 2021-04-20 | C. R. Bard, Inc. | Vena cava filter formed from a sheet |
US11141257B2 (en) | 2006-06-05 | 2021-10-12 | C. R. Bard, Inc. | Embolus blood clot filter utilizable with a single delivery system or a single retrieval system in one of a femoral or jugular access |
US9326842B2 (en) | 2006-06-05 | 2016-05-03 | C. R . Bard, Inc. | Embolus blood clot filter utilizable with a single delivery system or a single retrieval system in one of a femoral or jugular access |
US20100179585A1 (en) * | 2006-09-11 | 2010-07-15 | Carpenter Judith T | Embolic deflection device |
US9480548B2 (en) | 2006-09-11 | 2016-11-01 | Edwards Lifesciences Ag | Embolic protection device and method of use |
US20100179583A1 (en) * | 2006-09-11 | 2010-07-15 | Carpenter Judith T | Methods of deploying and retrieving an embolic diversion device |
US20100179647A1 (en) * | 2006-09-11 | 2010-07-15 | Carpenter Judith T | Methods of reducing embolism to cerebral circulation as a consequence of an index cardiac procedure |
US10426591B2 (en) | 2006-09-11 | 2019-10-01 | Edwards Lifesciences Ag | Embolic deflection device |
US9339367B2 (en) | 2006-09-11 | 2016-05-17 | Edwards Lifesciences Ag | Embolic deflection device |
US20100211095A1 (en) * | 2006-09-11 | 2010-08-19 | Carpenter Judith T | Embolic Protection Device and Method of Use |
US8460335B2 (en) | 2006-09-11 | 2013-06-11 | Embrella Cardiovascular, Inc. | Method of deflecting emboli from the cerebral circulation |
US10213252B2 (en) | 2006-10-18 | 2019-02-26 | Vessix, Inc. | Inducing desirable temperature effects on body tissue |
US10413356B2 (en) | 2006-10-18 | 2019-09-17 | Boston Scientific Scimed, Inc. | System for inducing desirable temperature effects on body tissue |
US9974607B2 (en) | 2006-10-18 | 2018-05-22 | Vessix Vascular, Inc. | Inducing desirable temperature effects on body tissue |
US20080140003A1 (en) * | 2006-12-06 | 2008-06-12 | Advanced Cardiovascular Systems, Inc. | Balloon catheter having a regrooming sheath and method for collapsing an expanded medical device |
US8216209B2 (en) | 2007-05-31 | 2012-07-10 | Abbott Cardiovascular Systems Inc. | Method and apparatus for delivering an agent to a kidney |
US7867273B2 (en) | 2007-06-27 | 2011-01-11 | Abbott Laboratories | Endoprostheses for peripheral arteries and other body vessels |
US10123803B2 (en) | 2007-10-17 | 2018-11-13 | Covidien Lp | Methods of managing neurovascular obstructions |
US8585713B2 (en) | 2007-10-17 | 2013-11-19 | Covidien Lp | Expandable tip assembly for thrombus management |
US10016211B2 (en) | 2007-10-17 | 2018-07-10 | Covidien Lp | Expandable tip assembly for thrombus management |
US10413310B2 (en) | 2007-10-17 | 2019-09-17 | Covidien Lp | Restoring blood flow and clot removal during acute ischemic stroke |
US9220522B2 (en) | 2007-10-17 | 2015-12-29 | Covidien Lp | Embolus removal systems with baskets |
US8945172B2 (en) | 2007-10-17 | 2015-02-03 | Covidien Lp | Devices for restoring blood flow and clot removal during acute ischemic stroke |
US8945143B2 (en) | 2007-10-17 | 2015-02-03 | Covidien Lp | Expandable tip assembly for thrombus management |
US11786254B2 (en) | 2007-10-17 | 2023-10-17 | Covidien Lp | Methods of managing neurovascular obstructions |
US11337714B2 (en) | 2007-10-17 | 2022-05-24 | Covidien Lp | Restoring blood flow and clot removal during acute ischemic stroke |
US9387098B2 (en) | 2007-10-17 | 2016-07-12 | Covidien Lp | Revascularization devices |
US9320532B2 (en) | 2007-10-17 | 2016-04-26 | Covidien Lp | Expandable tip assembly for thrombus management |
US9198687B2 (en) | 2007-10-17 | 2015-12-01 | Covidien Lp | Acute stroke revascularization/recanalization systems processes and products thereby |
US10835257B2 (en) | 2007-10-17 | 2020-11-17 | Covidien Lp | Methods of managing neurovascular obstructions |
US8574262B2 (en) | 2007-10-17 | 2013-11-05 | Covidien Lp | Revascularization devices |
US8197493B2 (en) | 2007-10-17 | 2012-06-12 | Mindframe, Inc. | Method for providing progressive therapy for thrombus management |
US8066757B2 (en) | 2007-10-17 | 2011-11-29 | Mindframe, Inc. | Blood flow restoration and thrombus management methods |
US8070791B2 (en) | 2007-10-17 | 2011-12-06 | Mindframe, Inc. | Multiple layer embolus removal |
US8926680B2 (en) | 2007-11-12 | 2015-01-06 | Covidien Lp | Aneurysm neck bridging processes with revascularization systems methods and products thereby |
US11529156B2 (en) | 2008-02-22 | 2022-12-20 | Covidien Lp | Methods and apparatus for flow restoration |
US8940003B2 (en) | 2008-02-22 | 2015-01-27 | Covidien Lp | Methods and apparatus for flow restoration |
US10456151B2 (en) | 2008-02-22 | 2019-10-29 | Covidien Lp | Methods and apparatus for flow restoration |
US8679142B2 (en) | 2008-02-22 | 2014-03-25 | Covidien Lp | Methods and apparatus for flow restoration |
US9161766B2 (en) | 2008-02-22 | 2015-10-20 | Covidien Lp | Methods and apparatus for flow restoration |
US8545514B2 (en) | 2008-04-11 | 2013-10-01 | Covidien Lp | Monorail neuro-microcatheter for delivery of medical devices to treat stroke, processes and products thereby |
US8088140B2 (en) | 2008-05-19 | 2012-01-03 | Mindframe, Inc. | Blood flow restorative and embolus removal methods |
US20100022951A1 (en) * | 2008-05-19 | 2010-01-28 | Luce, Forward, Hamilton 7 Scripps, Llp | Detachable hub/luer device and processes |
US9327100B2 (en) | 2008-11-14 | 2016-05-03 | Vessix Vascular, Inc. | Selective drug delivery in a lumen |
US10722255B2 (en) | 2008-12-23 | 2020-07-28 | Covidien Lp | Systems and methods for removing obstructive matter from body lumens and treating vascular defects |
WO2010081025A1 (en) * | 2009-01-09 | 2010-07-15 | Embrella Cardiovascular, Inc. | Embolic deflection device and method of use |
US9848974B2 (en) * | 2009-10-06 | 2017-12-26 | B. Braun Medical Sas | Safety cartridge for a removable vena cava filter |
US20160184074A1 (en) * | 2009-10-06 | 2016-06-30 | B. Braun Medical Sas | Safety Cartridge for a Removable Vena Cava Filter |
US9277955B2 (en) | 2010-04-09 | 2016-03-08 | Vessix Vascular, Inc. | Power generating and control apparatus for the treatment of tissue |
US9192790B2 (en) | 2010-04-14 | 2015-11-24 | Boston Scientific Scimed, Inc. | Focused ultrasonic renal denervation |
US8880185B2 (en) | 2010-06-11 | 2014-11-04 | Boston Scientific Scimed, Inc. | Renal denervation and stimulation employing wireless vascular energy transfer arrangement |
US9155589B2 (en) | 2010-07-30 | 2015-10-13 | Boston Scientific Scimed, Inc. | Sequential activation RF electrode set for renal nerve ablation |
US9408661B2 (en) | 2010-07-30 | 2016-08-09 | Patrick A. Haverkost | RF electrodes on multiple flexible wires for renal nerve ablation |
US9463062B2 (en) | 2010-07-30 | 2016-10-11 | Boston Scientific Scimed, Inc. | Cooled conductive balloon RF catheter for renal nerve ablation |
US9084609B2 (en) | 2010-07-30 | 2015-07-21 | Boston Scientific Scime, Inc. | Spiral balloon catheter for renal nerve ablation |
US9358365B2 (en) | 2010-07-30 | 2016-06-07 | Boston Scientific Scimed, Inc. | Precision electrode movement control for renal nerve ablation |
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US8974451B2 (en) | 2010-10-25 | 2015-03-10 | Boston Scientific Scimed, Inc. | Renal nerve ablation using conductive fluid jet and RF energy |
US9220558B2 (en) | 2010-10-27 | 2015-12-29 | Boston Scientific Scimed, Inc. | RF renal denervation catheter with multiple independent electrodes |
US9028485B2 (en) | 2010-11-15 | 2015-05-12 | Boston Scientific Scimed, Inc. | Self-expanding cooling electrode for renal nerve ablation |
US9848946B2 (en) | 2010-11-15 | 2017-12-26 | Boston Scientific Scimed, Inc. | Self-expanding cooling electrode for renal nerve ablation |
US9089350B2 (en) | 2010-11-16 | 2015-07-28 | Boston Scientific Scimed, Inc. | Renal denervation catheter with RF electrode and integral contrast dye injection arrangement |
US9668811B2 (en) | 2010-11-16 | 2017-06-06 | Boston Scientific Scimed, Inc. | Minimally invasive access for renal nerve ablation |
US9326751B2 (en) | 2010-11-17 | 2016-05-03 | Boston Scientific Scimed, Inc. | Catheter guidance of external energy for renal denervation |
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US9023034B2 (en) | 2010-11-22 | 2015-05-05 | Boston Scientific Scimed, Inc. | Renal ablation electrode with force-activatable conduction apparatus |
US9192435B2 (en) | 2010-11-22 | 2015-11-24 | Boston Scientific Scimed, Inc. | Renal denervation catheter with cooled RF electrode |
US9649156B2 (en) | 2010-12-15 | 2017-05-16 | Boston Scientific Scimed, Inc. | Bipolar off-wall electrode device for renal nerve ablation |
US9220561B2 (en) | 2011-01-19 | 2015-12-29 | Boston Scientific Scimed, Inc. | Guide-compatible large-electrode catheter for renal nerve ablation with reduced arterial injury |
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US9186210B2 (en) | 2011-10-10 | 2015-11-17 | Boston Scientific Scimed, Inc. | Medical devices including ablation electrodes |
US10085799B2 (en) | 2011-10-11 | 2018-10-02 | Boston Scientific Scimed, Inc. | Off-wall electrode device and methods for nerve modulation |
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US9079000B2 (en) | 2011-10-18 | 2015-07-14 | Boston Scientific Scimed, Inc. | Integrated crossing balloon catheter |
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US9119600B2 (en) | 2011-11-15 | 2015-09-01 | Boston Scientific Scimed, Inc. | Device and methods for renal nerve modulation monitoring |
US9119632B2 (en) | 2011-11-21 | 2015-09-01 | Boston Scientific Scimed, Inc. | Deflectable renal nerve ablation catheter |
US9265969B2 (en) | 2011-12-21 | 2016-02-23 | Cardiac Pacemakers, Inc. | Methods for modulating cell function |
US9072902B2 (en) | 2011-12-23 | 2015-07-07 | Vessix Vascular, Inc. | Methods and apparatuses for remodeling tissue of or adjacent to a body passage |
US9174050B2 (en) | 2011-12-23 | 2015-11-03 | Vessix Vascular, Inc. | Methods and apparatuses for remodeling tissue of or adjacent to a body passage |
US9592386B2 (en) | 2011-12-23 | 2017-03-14 | Vessix Vascular, Inc. | Methods and apparatuses for remodeling tissue of or adjacent to a body passage |
US9186211B2 (en) | 2011-12-23 | 2015-11-17 | Boston Scientific Scimed, Inc. | Methods and apparatuses for remodeling tissue of or adjacent to a body passage |
US9402684B2 (en) | 2011-12-23 | 2016-08-02 | Boston Scientific Scimed, Inc. | Methods and apparatuses for remodeling tissue of or adjacent to a body passage |
US9037259B2 (en) | 2011-12-23 | 2015-05-19 | Vessix Vascular, Inc. | Methods and apparatuses for remodeling tissue of or adjacent to a body passage |
US9028472B2 (en) | 2011-12-23 | 2015-05-12 | Vessix Vascular, Inc. | Methods and apparatuses for remodeling tissue of or adjacent to a body passage |
US9433760B2 (en) | 2011-12-28 | 2016-09-06 | Boston Scientific Scimed, Inc. | Device and methods for nerve modulation using a novel ablation catheter with polymeric ablative elements |
US9050106B2 (en) | 2011-12-29 | 2015-06-09 | Boston Scientific Scimed, Inc. | Off-wall electrode device and methods for nerve modulation |
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US10321946B2 (en) | 2012-08-24 | 2019-06-18 | Boston Scientific Scimed, Inc. | Renal nerve modulation devices with weeping RF ablation balloons |
US9173696B2 (en) | 2012-09-17 | 2015-11-03 | Boston Scientific Scimed, Inc. | Self-positioning electrode system and method for renal nerve modulation |
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US10398464B2 (en) | 2012-09-21 | 2019-09-03 | Boston Scientific Scimed, Inc. | System for nerve modulation and innocuous thermal gradient nerve block |
US10835305B2 (en) | 2012-10-10 | 2020-11-17 | Boston Scientific Scimed, Inc. | Renal nerve modulation devices and methods |
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US9693821B2 (en) | 2013-03-11 | 2017-07-04 | Boston Scientific Scimed, Inc. | Medical devices for modulating nerves |
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US9808311B2 (en) | 2013-03-13 | 2017-11-07 | Boston Scientific Scimed, Inc. | Deflectable medical devices |
US9827039B2 (en) | 2013-03-15 | 2017-11-28 | Boston Scientific Scimed, Inc. | Methods and apparatuses for remodeling tissue of or adjacent to a body passage |
US10265122B2 (en) | 2013-03-15 | 2019-04-23 | Boston Scientific Scimed, Inc. | Nerve ablation devices and related methods of use |
US9297845B2 (en) | 2013-03-15 | 2016-03-29 | Boston Scientific Scimed, Inc. | Medical devices and methods for treatment of hypertension that utilize impedance compensation |
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US9707036B2 (en) | 2013-06-25 | 2017-07-18 | Boston Scientific Scimed, Inc. | Devices and methods for nerve modulation using localized indifferent electrodes |
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US10271898B2 (en) | 2013-10-25 | 2019-04-30 | Boston Scientific Scimed, Inc. | Embedded thermocouple in denervation flex circuit |
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